diff --git a/launchdarkly-android-client-sdk/src/androidTest/java/com/launchdarkly/android/EventTest.java b/launchdarkly-android-client-sdk/src/androidTest/java/com/launchdarkly/android/EventTest.java
index a04d6342..bfe4e2d3 100644
--- a/launchdarkly-android-client-sdk/src/androidTest/java/com/launchdarkly/android/EventTest.java
+++ b/launchdarkly-android-client-sdk/src/androidTest/java/com/launchdarkly/android/EventTest.java
@@ -233,7 +233,7 @@ public void testUserObjectRemovedFromCustomEvent() {
 
         LDUser user = builder.build();
 
-        final CustomEvent event = new CustomEvent("key1", user.getKey(), null);
+        final CustomEvent event = new CustomEvent("key1", user.getKey(), null, null);
 
         assertNull(event.user);
         assertEquals(user.getKey(), event.userKey);
@@ -246,7 +246,7 @@ public void testFullUserObjectIncludedInCustomEvent() {
 
         LDUser user = builder.build();
 
-        final CustomEvent event = new CustomEvent("key1", user, null);
+        final CustomEvent event = new CustomEvent("key1", user, null, null);
 
         assertEquals(user, event.user);
         assertNull(event.userKey);
diff --git a/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/Event.java b/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/Event.java
index 502bb31d..43f2b8a2 100644
--- a/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/Event.java
+++ b/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/Event.java
@@ -48,16 +48,20 @@ class IdentifyEvent extends GenericEvent {
 class CustomEvent extends GenericEvent {
     @Expose
     private final JsonElement data;
+    @Expose
+    private final Double metricValue;
 
-    CustomEvent(String key, LDUser user, JsonElement data) {
+    CustomEvent(String key, LDUser user, JsonElement data, Double metricValue) {
         super("custom", key, user);
         this.data = data;
+        this.metricValue = metricValue;
     }
 
-    CustomEvent(String key, String userKey, JsonElement data) {
+    CustomEvent(String key, String userKey, JsonElement data, Double metricValue) {
         super("custom", key, null);
         this.data = data;
         this.userKey = userKey;
+        this.metricValue = metricValue;
     }
 }
 
diff --git a/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClient.java b/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClient.java
index b43b16ca..14c2a00f 100644
--- a/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClient.java
+++ b/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClient.java
@@ -224,14 +224,19 @@ protected LDClient(final Application application, @NonNull final LDConfig config
     }
 
     @Override
-    public void track(String eventName, JsonElement data) {
+    public void track(String eventName, JsonElement data, Double metricValue) {
         if (config.inlineUsersInEvents()) {
-            sendEvent(new CustomEvent(eventName, userManager.getCurrentUser(), data));
+            sendEvent(new CustomEvent(eventName, userManager.getCurrentUser(), data, metricValue));
         } else {
-            sendEvent(new CustomEvent(eventName, userManager.getCurrentUser().getKey(), data));
+            sendEvent(new CustomEvent(eventName, userManager.getCurrentUser().getKey(), data, metricValue));
         }
     }
 
+    @Override
+    public void track(String eventName, JsonElement data) {
+        track(eventName, data, null);
+    }
+
     @Override
     public void track(String eventName) {
         track(eventName, null);
diff --git a/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClientInterface.java b/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClientInterface.java
index 537668fa..5a12ae85 100644
--- a/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClientInterface.java
+++ b/launchdarkly-android-client-sdk/src/main/java/com/launchdarkly/android/LDClientInterface.java
@@ -54,6 +54,18 @@ public interface LDClientInterface extends Closeable {
      */
     void setOnline();
 
+    /**
+     * Tracks that a user performed an event.
+     *
+     * @param eventName   the name of the event
+     * @param data        a JSON object containing additional data associated with the event
+     * @param metricValue A numeric value used by the LaunchDarkly experimentation feature in
+     *                    numeric custom metrics. Can be omitted if this event is used by only
+     *                    non-numeric metrics. This field will also be returned as part of the
+     *                    custom event for Data Export. (Optional)
+     */
+    void track(String eventName, JsonElement data, Double metricValue);
+
     /**
      * Tracks that a user performed an event.
      *