diff --git a/.apigentools-info b/.apigentools-info
index c83b2246561e..eaf7fc7a0b61 100644
--- a/.apigentools-info
+++ b/.apigentools-info
@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2025-05-02 04:31:13.587503",
-            "spec_repo_commit": "272cce39"
+            "regenerated": "2025-05-02 16:32:07.534233",
+            "spec_repo_commit": "f88cc028"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2025-05-02 04:31:13.603582",
-            "spec_repo_commit": "272cce39"
+            "regenerated": "2025-05-02 16:32:07.549905",
+            "spec_repo_commit": "f88cc028"
         }
     }
 }
\ No newline at end of file
diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index 14c6d2062fab..5532ce327e82 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -335,6 +335,7 @@ components:
         type: string
     FilterByRef:
       description: Filter entities by reference
+      example: service:shopping-cart
       explode: true
       in: query
       name: filter[ref]
@@ -349,6 +350,32 @@ components:
       required: false
       schema:
         $ref: '#/components/schemas/RelationType'
+    FilterRelationByFromRef:
+      description: Filter relations by the reference of the first entity in the relation.
+      example: service:shopping-cart
+      explode: true
+      in: query
+      name: filter[from_ref]
+      required: false
+      schema:
+        type: string
+    FilterRelationByToRef:
+      description: Filter relations by the reference of the second entity in the relation.
+      example: service:shopping-cart
+      explode: true
+      in: query
+      name: filter[to_ref]
+      required: false
+      schema:
+        type: string
+    FilterRelationByType:
+      description: Filter relations by type.
+      explode: true
+      in: query
+      name: filter[type]
+      required: false
+      schema:
+        $ref: '#/components/schemas/RelationType'
     GCPSTSServiceAccountID:
       description: Your GCP STS enabled service account's unique ID.
       in: path
@@ -659,6 +686,14 @@ components:
       required: true
       schema:
         type: string
+    RelationInclude:
+      description: Include relationship data.
+      explode: true
+      in: query
+      name: include
+      required: false
+      schema:
+        $ref: '#/components/schemas/RelationIncludeType'
     ReportID:
       description: The ID of the report job.
       in: path
@@ -19254,6 +19289,38 @@ components:
         meta:
           $ref: '#/components/schemas/PowerpacksResponseMeta'
       type: object
+    ListRelationCatalogResponse:
+      description: List entity relation response.
+      properties:
+        data:
+          $ref: '#/components/schemas/RelationResponseData'
+        included:
+          $ref: '#/components/schemas/ListRelationCatalogResponseIncluded'
+        links:
+          $ref: '#/components/schemas/ListRelationCatalogResponseLinks'
+        meta:
+          $ref: '#/components/schemas/RelationResponseMeta'
+      type: object
+    ListRelationCatalogResponseIncluded:
+      description: List relation response included entities.
+      items:
+        $ref: '#/components/schemas/EntityData'
+      type: array
+    ListRelationCatalogResponseLinks:
+      description: List relation response links.
+      properties:
+        next:
+          description: Next link.
+          example: /api/v2/catalog/relation?filter[from_ref]=service:service-catalog&include=entity&page[limit]=2&page[offset]=2
+          type: string
+        previous:
+          description: Previous link.
+          type: string
+        self:
+          description: Current link.
+          example: /api/v2/catalog/relation?filter[from_ref]=service:service-catalog&include=entity&page[limit]=2&page[offset]=0
+          type: string
+      type: object
     ListRulesResponse:
       description: Scorecard rules response.
       properties:
@@ -28556,6 +28623,114 @@ components:
       x-enum-varnames:
       - ANY
       - ALL
+    RelationAttributes:
+      description: Relation attributes.
+      properties:
+        from:
+          $ref: '#/components/schemas/RelationEntity'
+        to:
+          $ref: '#/components/schemas/RelationEntity'
+        type:
+          $ref: '#/components/schemas/RelationType'
+      type: object
+    RelationEntity:
+      description: Relation entity reference.
+      properties:
+        kind:
+          description: Entity kind.
+          type: string
+        name:
+          description: Entity name.
+          type: string
+        namespace:
+          description: Entity namespace.
+          type: string
+      type: object
+    RelationIncludeType:
+      description: Supported include types for relations.
+      enum:
+      - entity
+      - schema
+      type: string
+      x-enum-varnames:
+      - ENTITY
+      - SCHEMA
+    RelationMeta:
+      description: Relation metadata.
+      properties:
+        createdAt:
+          description: Relation creation time.
+          format: date-time
+          type: string
+        definedBy:
+          description: Relation defined by.
+          type: string
+        modifiedAt:
+          description: Relation modification time.
+          format: date-time
+          type: string
+        source:
+          description: Relation source.
+          type: string
+      type: object
+    RelationRelationships:
+      description: Relation relationships.
+      properties:
+        fromEntity:
+          $ref: '#/components/schemas/RelationToEntity'
+        toEntity:
+          $ref: '#/components/schemas/RelationToEntity'
+      type: object
+    RelationResponse:
+      description: Relation response data.
+      properties:
+        attributes:
+          $ref: '#/components/schemas/RelationAttributes'
+        id:
+          description: Relation ID.
+          type: string
+        meta:
+          $ref: '#/components/schemas/RelationMeta'
+        relationships:
+          $ref: '#/components/schemas/RelationRelationships'
+        subtype:
+          description: Relation subtype.
+          type: string
+        type:
+          $ref: '#/components/schemas/RelationResponseType'
+      type: object
+    RelationResponseData:
+      description: Array of relation responses
+      items:
+        $ref: '#/components/schemas/RelationResponse'
+      type: array
+    RelationResponseMeta:
+      description: Relation response metadata.
+      properties:
+        count:
+          description: Total relations count.
+          format: int64
+          type: integer
+        includeCount:
+          description: Total included data count.
+          format: int64
+          type: integer
+      type: object
+    RelationResponseType:
+      description: Relation type.
+      enum:
+      - relation
+      type: string
+      x-enum-varnames:
+      - RELATION
+    RelationToEntity:
+      description: Relation to entity.
+      properties:
+        data:
+          $ref: '#/components/schemas/RelationshipItem'
+        meta:
+          $ref: '#/components/schemas/EntityMeta'
+      type: object
     RelationType:
       description: Supported relation types.
       enum:
@@ -42634,6 +42809,48 @@ paths:
       summary: Delete a single entity
       tags:
       - Software Catalog
+  /api/v2/catalog/relation:
+    get:
+      description: Get a list of entity relations from Software Catalog.
+      operationId: ListCatalogRelation
+      parameters:
+      - $ref: '#/components/parameters/PageOffset'
+      - description: Maximum number of relations in the response.
+        example: 100
+        in: query
+        name: page[limit]
+        required: false
+        schema:
+          default: 100
+          format: int64
+          type: integer
+      - $ref: '#/components/parameters/FilterRelationByType'
+      - $ref: '#/components/parameters/FilterRelationByFromRef'
+      - $ref: '#/components/parameters/FilterRelationByToRef'
+      - $ref: '#/components/parameters/RelationInclude'
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ListRelationCatalogResponse'
+          description: OK
+        '403':
+          $ref: '#/components/responses/ForbiddenResponse'
+        '429':
+          $ref: '#/components/responses/TooManyRequestsResponse'
+      security:
+      - apiKeyAuth: []
+        appKeyAuth: []
+      - AuthZ:
+        - apm_service_catalog_read
+      summary: Get a list of entity relations
+      tags:
+      - Software Catalog
+      x-pagination:
+        limitParam: page[limit]
+        pageOffsetParam: page[offset]
+        resultsPath: data
   /api/v2/ci/pipeline:
     post:
       description: 'Send your pipeline event to your Datadog platform over HTTP. For
diff --git a/examples/v2/software-catalog/ListCatalogRelation.rb b/examples/v2/software-catalog/ListCatalogRelation.rb
new file mode 100644
index 000000000000..2b6264d1275a
--- /dev/null
+++ b/examples/v2/software-catalog/ListCatalogRelation.rb
@@ -0,0 +1,5 @@
+# Get a list of entity relations returns "OK" response
+
+require "datadog_api_client"
+api_instance = DatadogAPIClient::V2::SoftwareCatalogAPI.new
+p api_instance.list_catalog_relation()
diff --git a/examples/v2/software-catalog/ListCatalogRelation_1311054087.rb b/examples/v2/software-catalog/ListCatalogRelation_1311054087.rb
new file mode 100644
index 000000000000..4b31a1757de6
--- /dev/null
+++ b/examples/v2/software-catalog/ListCatalogRelation_1311054087.rb
@@ -0,0 +1,5 @@
+# Get a list of entity relations returns "OK" response with pagination
+
+require "datadog_api_client"
+api_instance = DatadogAPIClient::V2::SoftwareCatalogAPI.new
+api_instance.list_catalog_relation_with_pagination() { |item| puts item }
diff --git a/features/scenarios_model_mapping.rb b/features/scenarios_model_mapping.rb
index 8c5371c049e9..5f6430262732 100644
--- a/features/scenarios_model_mapping.rb
+++ b/features/scenarios_model_mapping.rb
@@ -1106,6 +1106,14 @@
     "v2.DeleteCatalogEntity" => {
             "entity_id" => "String",
     },
+    "v2.ListCatalogRelation" => {
+            "page_offset" => "Integer",
+            "page_limit" => "Integer",
+            "filter_type" => "RelationType",
+            "filter_from_ref" => "String",
+            "filter_to_ref" => "String",
+            "include" => "RelationIncludeType",
+    },
     "v2.CreateCIAppPipelineEvent" => {
             "body" => "CIAppCreatePipelineEventRequest",
     },
diff --git a/features/v2/software_catalog.feature b/features/v2/software_catalog.feature
index fd8e62bad35d..85d81ea1d24c 100644
--- a/features/v2/software_catalog.feature
+++ b/features/v2/software_catalog.feature
@@ -78,3 +78,15 @@ Feature: Software Catalog
     Given new "ListCatalogEntity" request
     When the request with pagination is sent
     Then the response status is 200 OK
+
+  @team:DataDog/service-catalog
+  Scenario: Get a list of entity relations returns "OK" response
+    Given new "ListCatalogRelation" request
+    When the request is sent
+    Then the response status is 200 OK
+
+  @team:DataDog/service-catalog @with-pagination
+  Scenario: Get a list of entity relations returns "OK" response with pagination
+    Given new "ListCatalogRelation" request
+    When the request with pagination is sent
+    Then the response status is 200 OK
diff --git a/features/v2/undo.json b/features/v2/undo.json
index c1daab38525e..f32d6245b928 100644
--- a/features/v2/undo.json
+++ b/features/v2/undo.json
@@ -471,6 +471,12 @@
       "type": "idempotent"
     }
   },
+  "ListCatalogRelation": {
+    "tag": "Software Catalog",
+    "undo": {
+      "type": "safe"
+    }
+  },
   "CreateCIAppPipelineEvent": {
     "tag": "CI Visibility Pipelines",
     "undo": {
diff --git a/lib/datadog_api_client/inflector.rb b/lib/datadog_api_client/inflector.rb
index 96f04007c65b..e3f05ab5a971 100644
--- a/lib/datadog_api_client/inflector.rb
+++ b/lib/datadog_api_client/inflector.rb
@@ -2072,6 +2072,8 @@ def overrides
           "v2.list_pipelines_response" => "ListPipelinesResponse",
           "v2.list_pipelines_response_meta" => "ListPipelinesResponseMeta",
           "v2.list_powerpacks_response" => "ListPowerpacksResponse",
+          "v2.list_relation_catalog_response" => "ListRelationCatalogResponse",
+          "v2.list_relation_catalog_response_links" => "ListRelationCatalogResponseLinks",
           "v2.list_rules_response" => "ListRulesResponse",
           "v2.list_rules_response_data_item" => "ListRulesResponseDataItem",
           "v2.list_rules_response_links" => "ListRulesResponseLinks",
@@ -2624,6 +2626,14 @@ def overrides
           "v2.query_sort_order" => "QuerySortOrder",
           "v2.readiness_gate" => "ReadinessGate",
           "v2.readiness_gate_threshold_type" => "ReadinessGateThresholdType",
+          "v2.relation_attributes" => "RelationAttributes",
+          "v2.relation_entity" => "RelationEntity",
+          "v2.relation_include_type" => "RelationIncludeType",
+          "v2.relation_meta" => "RelationMeta",
+          "v2.relation_relationships" => "RelationRelationships",
+          "v2.relation_response" => "RelationResponse",
+          "v2.relation_response_meta" => "RelationResponseMeta",
+          "v2.relation_response_type" => "RelationResponseType",
           "v2.relationship_item" => "RelationshipItem",
           "v2.relationship_to_incident_attachment" => "RelationshipToIncidentAttachment",
           "v2.relationship_to_incident_attachment_data" => "RelationshipToIncidentAttachmentData",
@@ -2666,6 +2676,7 @@ def overrides
           "v2.relationship_to_user_team_team_data" => "RelationshipToUserTeamTeamData",
           "v2.relationship_to_user_team_user" => "RelationshipToUserTeamUser",
           "v2.relationship_to_user_team_user_data" => "RelationshipToUserTeamUserData",
+          "v2.relation_to_entity" => "RelationToEntity",
           "v2.relation_type" => "RelationType",
           "v2.remediation" => "Remediation",
           "v2.reorder_retention_filters_request" => "ReorderRetentionFiltersRequest",
diff --git a/lib/datadog_api_client/v2/api/software_catalog_api.rb b/lib/datadog_api_client/v2/api/software_catalog_api.rb
index 6a61d48a18f7..b7b97a733ceb 100644
--- a/lib/datadog_api_client/v2/api/software_catalog_api.rb
+++ b/lib/datadog_api_client/v2/api/software_catalog_api.rb
@@ -197,6 +197,107 @@ def list_catalog_entity_with_pagination(opts = {})
         end
     end
 
+    # Get a list of entity relations.
+    #
+    # @see #list_catalog_relation_with_http_info
+    def list_catalog_relation(opts = {})
+      data, _status_code, _headers = list_catalog_relation_with_http_info(opts)
+      data
+    end
+
+    # Get a list of entity relations.
+    #
+    # Get a list of entity relations from Software Catalog.
+    #
+    # @param opts [Hash] the optional parameters
+    # @option opts [Integer] :page_offset Specific offset to use as the beginning of the returned page.
+    # @option opts [Integer] :page_limit Maximum number of relations in the response.
+    # @option opts [RelationType] :filter_type Filter relations by type.
+    # @option opts [String] :filter_from_ref Filter relations by the reference of the first entity in the relation.
+    # @option opts [String] :filter_to_ref Filter relations by the reference of the second entity in the relation.
+    # @option opts [RelationIncludeType] :include Include relationship data.
+    # @return [Array<(ListRelationCatalogResponse, Integer, Hash)>] ListRelationCatalogResponse data, response status code and response headers
+    def list_catalog_relation_with_http_info(opts = {})
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: SoftwareCatalogAPI.list_catalog_relation ...'
+      end
+      allowable_values = ['RelationTypeOwns', 'RelationTypeOwnedBy', 'RelationTypeDependsOn', 'RelationTypeDependencyOf', 'RelationTypePartsOf', 'RelationTypeHasPart', 'RelationTypeOtherOwns', 'RelationTypeOtherOwnedBy', 'RelationTypeImplementedBy', 'RelationTypeImplements']
+      if @api_client.config.client_side_validation && opts[:'filter_type'] && !allowable_values.include?(opts[:'filter_type'])
+        fail ArgumentError, "invalid value for \"filter_type\", must be one of #{allowable_values}"
+      end
+      allowable_values = ['entity', 'schema']
+      if @api_client.config.client_side_validation && opts[:'include'] && !allowable_values.include?(opts[:'include'])
+        fail ArgumentError, "invalid value for \"include\", must be one of #{allowable_values}"
+      end
+      # resource path
+      local_var_path = '/api/v2/catalog/relation'
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+      query_params[:'page[offset]'] = opts[:'page_offset'] if !opts[:'page_offset'].nil?
+      query_params[:'page[limit]'] = opts[:'page_limit'] if !opts[:'page_limit'].nil?
+      query_params[:'filter[type]'] = opts[:'filter_type'] if !opts[:'filter_type'].nil?
+      query_params[:'filter[from_ref]'] = opts[:'filter_from_ref'] if !opts[:'filter_from_ref'].nil?
+      query_params[:'filter[to_ref]'] = opts[:'filter_to_ref'] if !opts[:'filter_to_ref'].nil?
+      query_params[:'include'] = opts[:'include'] if !opts[:'include'].nil?
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
+
+      # form parameters
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body]
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'ListRelationCatalogResponse'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || [:apiKeyAuth, :appKeyAuth, :AuthZ]
+
+      new_options = opts.merge(
+        :operation => :list_catalog_relation,
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type,
+        :api_version => "V2"
+      )
+
+      data, status_code, headers = @api_client.call_api(Net::HTTP::Get, local_var_path, new_options)
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: SoftwareCatalogAPI#list_catalog_relation\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
+    # Get a list of entity relations.
+    #
+    # Provide a paginated version of {#list_catalog_relation}, returning all items.
+    #
+    # To use it you need to use a block: list_catalog_relation_with_pagination { |item| p item }
+    #
+    # @yield [RelationResponse] Paginated items
+    def list_catalog_relation_with_pagination(opts = {})
+        api_version = "V2"
+        page_size = @api_client.get_attribute_from_path(opts, "page_limit", 100)
+        @api_client.set_attribute_from_path(api_version, opts, "page_limit", Integer, page_size)
+        while true do
+            response = list_catalog_relation(opts)
+            @api_client.get_attribute_from_path(response, "data").each { |item| yield(item) }
+            if @api_client.get_attribute_from_path(response, "data").length < page_size
+              break
+            end
+            @api_client.set_attribute_from_path(api_version, opts, "page_offset", Integer, @api_client.get_attribute_from_path(opts, "page_offset", 0) + page_size)
+        end
+    end
+
     # Create or update entities.
     #
     # @see #upsert_catalog_entity_with_http_info
diff --git a/lib/datadog_api_client/v2/models/list_relation_catalog_response.rb b/lib/datadog_api_client/v2/models/list_relation_catalog_response.rb
new file mode 100644
index 000000000000..ca891e531cec
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/list_relation_catalog_response.rb
@@ -0,0 +1,139 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # List entity relation response.
+  class ListRelationCatalogResponse
+    include BaseGenericModel
+
+    # Array of relation responses
+    attr_accessor :data
+
+    # List relation response included entities.
+    attr_accessor :included
+
+    # List relation response links.
+    attr_accessor :links
+
+    # Relation response metadata.
+    attr_accessor :meta
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'data' => :'data',
+        :'included' => :'included',
+        :'links' => :'links',
+        :'meta' => :'meta'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'data' => :'Array<RelationResponse>',
+        :'included' => :'Array<EntityData>',
+        :'links' => :'ListRelationCatalogResponseLinks',
+        :'meta' => :'RelationResponseMeta'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::ListRelationCatalogResponse` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'data')
+        if (value = attributes[:'data']).is_a?(Array)
+          self.data = value
+        end
+      end
+
+      if attributes.key?(:'included')
+        if (value = attributes[:'included']).is_a?(Array)
+          self.included = value
+        end
+      end
+
+      if attributes.key?(:'links')
+        self.links = attributes[:'links']
+      end
+
+      if attributes.key?(:'meta')
+        self.meta = attributes[:'meta']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          data == o.data &&
+          included == o.included &&
+          links == o.links &&
+          meta == o.meta &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [data, included, links, meta, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/list_relation_catalog_response_links.rb b/lib/datadog_api_client/v2/models/list_relation_catalog_response_links.rb
new file mode 100644
index 000000000000..76196aa34b1a
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/list_relation_catalog_response_links.rb
@@ -0,0 +1,125 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # List relation response links.
+  class ListRelationCatalogResponseLinks
+    include BaseGenericModel
+
+    # Next link.
+    attr_accessor :_next
+
+    # Previous link.
+    attr_accessor :previous
+
+    # Current link.
+    attr_accessor :_self
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'_next' => :'next',
+        :'previous' => :'previous',
+        :'_self' => :'self'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'_next' => :'String',
+        :'previous' => :'String',
+        :'_self' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::ListRelationCatalogResponseLinks` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'_next')
+        self._next = attributes[:'_next']
+      end
+
+      if attributes.key?(:'previous')
+        self.previous = attributes[:'previous']
+      end
+
+      if attributes.key?(:'_self')
+        self._self = attributes[:'_self']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          _next == o._next &&
+          previous == o.previous &&
+          _self == o._self &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [_next, previous, _self, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_attributes.rb b/lib/datadog_api_client/v2/models/relation_attributes.rb
new file mode 100644
index 000000000000..d3d8cd93b286
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_attributes.rb
@@ -0,0 +1,125 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation attributes.
+  class RelationAttributes
+    include BaseGenericModel
+
+    # Relation entity reference.
+    attr_accessor :from
+
+    # Relation entity reference.
+    attr_accessor :to
+
+    # Supported relation types.
+    attr_accessor :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'from' => :'from',
+        :'to' => :'to',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'from' => :'RelationEntity',
+        :'to' => :'RelationEntity',
+        :'type' => :'RelationType'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationAttributes` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'from')
+        self.from = attributes[:'from']
+      end
+
+      if attributes.key?(:'to')
+        self.to = attributes[:'to']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          from == o.from &&
+          to == o.to &&
+          type == o.type &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [from, to, type, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_entity.rb b/lib/datadog_api_client/v2/models/relation_entity.rb
new file mode 100644
index 000000000000..fd3b78bf14f4
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_entity.rb
@@ -0,0 +1,125 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation entity reference.
+  class RelationEntity
+    include BaseGenericModel
+
+    # Entity kind.
+    attr_accessor :kind
+
+    # Entity name.
+    attr_accessor :name
+
+    # Entity namespace.
+    attr_accessor :namespace
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'kind' => :'kind',
+        :'name' => :'name',
+        :'namespace' => :'namespace'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'kind' => :'String',
+        :'name' => :'String',
+        :'namespace' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationEntity` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'kind')
+        self.kind = attributes[:'kind']
+      end
+
+      if attributes.key?(:'name')
+        self.name = attributes[:'name']
+      end
+
+      if attributes.key?(:'namespace')
+        self.namespace = attributes[:'namespace']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          kind == o.kind &&
+          name == o.name &&
+          namespace == o.namespace &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [kind, name, namespace, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_include_type.rb b/lib/datadog_api_client/v2/models/relation_include_type.rb
new file mode 100644
index 000000000000..5318f4f7a389
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_include_type.rb
@@ -0,0 +1,27 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Supported include types for relations.
+  class RelationIncludeType
+    include BaseEnumModel
+
+    ENTITY = "entity".freeze
+    SCHEMA = "schema".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_meta.rb b/lib/datadog_api_client/v2/models/relation_meta.rb
new file mode 100644
index 000000000000..f91749a008f0
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_meta.rb
@@ -0,0 +1,135 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation metadata.
+  class RelationMeta
+    include BaseGenericModel
+
+    # Relation creation time.
+    attr_accessor :created_at
+
+    # Relation defined by.
+    attr_accessor :defined_by
+
+    # Relation modification time.
+    attr_accessor :modified_at
+
+    # Relation source.
+    attr_accessor :source
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'created_at' => :'createdAt',
+        :'defined_by' => :'definedBy',
+        :'modified_at' => :'modifiedAt',
+        :'source' => :'source'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'created_at' => :'Time',
+        :'defined_by' => :'String',
+        :'modified_at' => :'Time',
+        :'source' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationMeta` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'created_at')
+        self.created_at = attributes[:'created_at']
+      end
+
+      if attributes.key?(:'defined_by')
+        self.defined_by = attributes[:'defined_by']
+      end
+
+      if attributes.key?(:'modified_at')
+        self.modified_at = attributes[:'modified_at']
+      end
+
+      if attributes.key?(:'source')
+        self.source = attributes[:'source']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          created_at == o.created_at &&
+          defined_by == o.defined_by &&
+          modified_at == o.modified_at &&
+          source == o.source &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [created_at, defined_by, modified_at, source, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_relationships.rb b/lib/datadog_api_client/v2/models/relation_relationships.rb
new file mode 100644
index 000000000000..5cc407fd1339
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_relationships.rb
@@ -0,0 +1,115 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation relationships.
+  class RelationRelationships
+    include BaseGenericModel
+
+    # Relation to entity.
+    attr_accessor :from_entity
+
+    # Relation to entity.
+    attr_accessor :to_entity
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'from_entity' => :'fromEntity',
+        :'to_entity' => :'toEntity'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'from_entity' => :'RelationToEntity',
+        :'to_entity' => :'RelationToEntity'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationRelationships` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'from_entity')
+        self.from_entity = attributes[:'from_entity']
+      end
+
+      if attributes.key?(:'to_entity')
+        self.to_entity = attributes[:'to_entity']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          from_entity == o.from_entity &&
+          to_entity == o.to_entity &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [from_entity, to_entity, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_response.rb b/lib/datadog_api_client/v2/models/relation_response.rb
new file mode 100644
index 000000000000..ffc8b74bf5ad
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_response.rb
@@ -0,0 +1,155 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation response data.
+  class RelationResponse
+    include BaseGenericModel
+
+    # Relation attributes.
+    attr_accessor :attributes
+
+    # Relation ID.
+    attr_accessor :id
+
+    # Relation metadata.
+    attr_accessor :meta
+
+    # Relation relationships.
+    attr_accessor :relationships
+
+    # Relation subtype.
+    attr_accessor :subtype
+
+    # Relation type.
+    attr_accessor :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'attributes' => :'attributes',
+        :'id' => :'id',
+        :'meta' => :'meta',
+        :'relationships' => :'relationships',
+        :'subtype' => :'subtype',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'attributes' => :'RelationAttributes',
+        :'id' => :'String',
+        :'meta' => :'RelationMeta',
+        :'relationships' => :'RelationRelationships',
+        :'subtype' => :'String',
+        :'type' => :'RelationResponseType'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationResponse` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'attributes')
+        self.attributes = attributes[:'attributes']
+      end
+
+      if attributes.key?(:'id')
+        self.id = attributes[:'id']
+      end
+
+      if attributes.key?(:'meta')
+        self.meta = attributes[:'meta']
+      end
+
+      if attributes.key?(:'relationships')
+        self.relationships = attributes[:'relationships']
+      end
+
+      if attributes.key?(:'subtype')
+        self.subtype = attributes[:'subtype']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          attributes == o.attributes &&
+          id == o.id &&
+          meta == o.meta &&
+          relationships == o.relationships &&
+          subtype == o.subtype &&
+          type == o.type &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [attributes, id, meta, relationships, subtype, type, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_response_meta.rb b/lib/datadog_api_client/v2/models/relation_response_meta.rb
new file mode 100644
index 000000000000..72c57d706b58
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_response_meta.rb
@@ -0,0 +1,115 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation response metadata.
+  class RelationResponseMeta
+    include BaseGenericModel
+
+    # Total relations count.
+    attr_accessor :count
+
+    # Total included data count.
+    attr_accessor :include_count
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'count' => :'count',
+        :'include_count' => :'includeCount'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'count' => :'Integer',
+        :'include_count' => :'Integer'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationResponseMeta` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'count')
+        self.count = attributes[:'count']
+      end
+
+      if attributes.key?(:'include_count')
+        self.include_count = attributes[:'include_count']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          count == o.count &&
+          include_count == o.include_count &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [count, include_count, additional_properties].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_response_type.rb b/lib/datadog_api_client/v2/models/relation_response_type.rb
new file mode 100644
index 000000000000..601683f53f9a
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_response_type.rb
@@ -0,0 +1,26 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation type.
+  class RelationResponseType
+    include BaseEnumModel
+
+    RELATION = "relation".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/relation_to_entity.rb b/lib/datadog_api_client/v2/models/relation_to_entity.rb
new file mode 100644
index 000000000000..cbe4704efa92
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/relation_to_entity.rb
@@ -0,0 +1,115 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Relation to entity.
+  class RelationToEntity
+    include BaseGenericModel
+
+    # Relationship entry.
+    attr_accessor :data
+
+    # Entity metadata.
+    attr_accessor :meta
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'data' => :'data',
+        :'meta' => :'meta'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'data' => :'RelationshipItem',
+        :'meta' => :'EntityMeta'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::RelationToEntity` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'data')
+        self.data = attributes[:'data']
+      end
+
+      if attributes.key?(:'meta')
+        self.meta = attributes[:'meta']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          data == o.data &&
+          meta == o.meta &&
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [data, meta, additional_properties].hash
+    end
+  end
+end