diff --git a/core-api/src/main/java/com/optimizely/ab/Optimizely.java b/core-api/src/main/java/com/optimizely/ab/Optimizely.java
index c3e035e2c..f06af8082 100644
--- a/core-api/src/main/java/com/optimizely/ab/Optimizely.java
+++ b/core-api/src/main/java/com/optimizely/ab/Optimizely.java
@@ -237,7 +237,7 @@ private void sendImpression(@Nonnull ProjectConfig projectConfig,
                                 @Nonnull Map<String, ?> filteredAttributes,
                                 @Nonnull Variation variation,
                                 @Nonnull String ruleType) {
-        sendImpression(projectConfig, experiment, userId, filteredAttributes, variation, "", ruleType);
+        sendImpression(projectConfig, experiment, userId, filteredAttributes, variation, "", ruleType, true);
     }
 
     /**
@@ -257,7 +257,8 @@ private void sendImpression(@Nonnull ProjectConfig projectConfig,
                                 @Nonnull Map<String, ?> filteredAttributes,
                                 @Nonnull Variation variation,
                                 @Nonnull String flagKey,
-                                @Nonnull String ruleType) {
+                                @Nonnull String ruleType,
+                                @Nonnull boolean enabled) {
 
         UserEvent userEvent = UserEventFactory.createImpressionEvent(
             projectConfig,
@@ -266,7 +267,8 @@ private void sendImpression(@Nonnull ProjectConfig projectConfig,
             userId,
             filteredAttributes,
             flagKey,
-            ruleType);
+            ruleType,
+            enabled);
 
         if (userEvent == null) {
             return;
@@ -430,7 +432,8 @@ private Boolean isFeatureEnabled(@Nonnull ProjectConfig projectConfig,
             copiedAttributes,
             featureDecision.variation,
             featureKey,
-            decisionSource.toString());
+            decisionSource.toString(),
+            featureEnabled);
 
         if (featureDecision.variation != null) {
             // This information is only necessary for feature tests.
diff --git a/core-api/src/main/java/com/optimizely/ab/event/internal/UserEventFactory.java b/core-api/src/main/java/com/optimizely/ab/event/internal/UserEventFactory.java
index 74457922e..20d771033 100644
--- a/core-api/src/main/java/com/optimizely/ab/event/internal/UserEventFactory.java
+++ b/core-api/src/main/java/com/optimizely/ab/event/internal/UserEventFactory.java
@@ -37,7 +37,8 @@ public static ImpressionEvent createImpressionEvent(@Nonnull ProjectConfig proje
                                                         @Nonnull String userId,
                                                         @Nonnull Map<String, ?> attributes,
                                                         @Nonnull String flagKey,
-                                                        @Nonnull String ruleType) {
+                                                        @Nonnull String ruleType,
+                                                        @Nonnull boolean enabled) {
 
         if ((FeatureDecision.DecisionSource.ROLLOUT.toString().equals(ruleType)  || variation == null) && !projectConfig.getSendFlagDecisions())
         {
@@ -69,6 +70,7 @@ public static ImpressionEvent createImpressionEvent(@Nonnull ProjectConfig proje
             .setRuleKey(experimentKey)
             .setRuleType(ruleType)
             .setVariationKey(variationKey)
+            .setEnabled(enabled)
             .build();
 
         return new ImpressionEvent.Builder()
diff --git a/core-api/src/main/java/com/optimizely/ab/event/internal/payload/DecisionMetadata.java b/core-api/src/main/java/com/optimizely/ab/event/internal/payload/DecisionMetadata.java
index f5120b230..8189dae72 100644
--- a/core-api/src/main/java/com/optimizely/ab/event/internal/payload/DecisionMetadata.java
+++ b/core-api/src/main/java/com/optimizely/ab/event/internal/payload/DecisionMetadata.java
@@ -29,16 +29,19 @@ public class DecisionMetadata {
     String ruleType;
     @JsonProperty("variation_key")
     String variationKey;
+    @JsonProperty("enabled")
+    boolean enabled;
 
     @VisibleForTesting
     public DecisionMetadata() {
     }
 
-    public DecisionMetadata(String flagKey, String ruleKey, String ruleType, String variationKey) {
+    public DecisionMetadata(String flagKey, String ruleKey, String ruleType, String variationKey, boolean enabled) {
         this.flagKey = flagKey;
         this.ruleKey = ruleKey;
         this.ruleType = ruleType;
         this.variationKey = variationKey;
+        this.enabled = enabled;
     }
 
     public String getRuleType() {
@@ -49,6 +52,10 @@ public String getRuleKey() {
         return ruleKey;
     }
 
+    public boolean getEnabled() {
+        return enabled;
+    }
+
     public String getFlagKey() {
         return flagKey;
     }
@@ -67,6 +74,7 @@ public boolean equals(Object o) {
         if (!ruleType.equals(that.ruleType)) return false;
         if (!ruleKey.equals(that.ruleKey)) return false;
         if (!flagKey.equals(that.flagKey)) return false;
+        if (enabled != that.enabled) return false;
         return variationKey.equals(that.variationKey);
     }
 
@@ -85,6 +93,12 @@ public static class Builder {
         private String ruleKey;
         private String flagKey;
         private String variationKey;
+        private boolean enabled;
+
+        public Builder setEnabled(boolean enabled) {
+            this.enabled = enabled;
+            return this;
+        }
 
         public Builder setRuleType(String ruleType) {
             this.ruleType = ruleType;
@@ -107,7 +121,7 @@ public Builder setVariationKey(String variationKey) {
         }
 
         public DecisionMetadata build() {
-            return new DecisionMetadata(flagKey, ruleKey, ruleType, variationKey);
+            return new DecisionMetadata(flagKey, ruleKey, ruleType, variationKey, enabled);
         }
     }
 }
diff --git a/core-api/src/test/java/com/optimizely/ab/event/internal/EventFactoryTest.java b/core-api/src/test/java/com/optimizely/ab/event/internal/EventFactoryTest.java
index f4be1b965..acb0cc5a4 100644
--- a/core-api/src/test/java/com/optimizely/ab/event/internal/EventFactoryTest.java
+++ b/core-api/src/test/java/com/optimizely/ab/event/internal/EventFactoryTest.java
@@ -103,7 +103,7 @@ public void createImpressionEventPassingUserAgentAttribute() throws Exception {
         Map<String, String> attributeMap = new HashMap<String, String>();
         attributeMap.put(attribute.getKey(), "value");
         attributeMap.put(ControlAttribute.USER_AGENT_ATTRIBUTE.toString(), "Chrome");
-        DecisionMetadata metadata = new DecisionMetadata(activatedExperiment.getKey(), activatedExperiment.getKey(), ruleType, "variationKey");
+        DecisionMetadata metadata = new DecisionMetadata(activatedExperiment.getKey(), activatedExperiment.getKey(), ruleType, "variationKey", true);
         Decision expectedDecision = new Decision.Builder()
             .setCampaignId(activatedExperiment.getLayerId())
             .setExperimentId(activatedExperiment.getId())
@@ -1062,7 +1062,8 @@ public static LogEvent createImpressionEvent(ProjectConfig projectConfig,
             userId,
             attributes,
             activatedExperiment.getKey(),
-            "experiment");
+            "experiment",
+            true);
 
         return EventFactory.createLogEvent(userEvent);
         
diff --git a/core-api/src/test/java/com/optimizely/ab/event/internal/UserEventFactoryTest.java b/core-api/src/test/java/com/optimizely/ab/event/internal/UserEventFactoryTest.java
index 87b667658..a7739bb73 100644
--- a/core-api/src/test/java/com/optimizely/ab/event/internal/UserEventFactoryTest.java
+++ b/core-api/src/test/java/com/optimizely/ab/event/internal/UserEventFactoryTest.java
@@ -67,7 +67,7 @@ public class UserEventFactoryTest {
     public void setUp() {
         experiment = new Experiment(EXPERIMENT_ID, EXPERIMENT_KEY, LAYER_ID);
         variation = new Variation(VARIATION_ID, VARIATION_KEY);
-        decisionMetadata = new DecisionMetadata("", EXPERIMENT_KEY, "experiment", VARIATION_KEY);
+        decisionMetadata = new DecisionMetadata("", EXPERIMENT_KEY, "experiment", VARIATION_KEY, true);
     }
 
     @Test
@@ -80,7 +80,8 @@ public void createImpressionEventNull() {
             USER_ID,
             ATTRIBUTES,
             EXPERIMENT_KEY,
-            "rollout"
+            "rollout",
+            false
         );
         assertNull(actual);
     }
@@ -94,7 +95,8 @@ public void createImpressionEvent() {
             USER_ID,
             ATTRIBUTES,
             "",
-            "experiment"
+            "experiment",
+            true
         );
 
         assertTrue(actual.getTimestamp() > 0);