diff --git a/telephony/java/com/android/ims/internal/uce/presence/IPresenceListener.aidl b/telephony/java/com/android/ims/internal/uce/presence/IPresenceListener.aidl
index 5b7114982758a..2ae424f4af8e7 100644
--- a/telephony/java/com/android/ims/internal/uce/presence/IPresenceListener.aidl
+++ b/telephony/java/com/android/ims/internal/uce/presence/IPresenceListener.aidl
@@ -89,4 +89,11 @@ interface IPresenceListener
      */
     void listCapInfoReceived(in PresRlmiInfo rlmiInfo,
                              in PresResInfo [] resInfo);
+
+    /**
+     * Callback function to be invoked to inform the client when Unpublish message
+     * is sent to network.
+     */
+    void unpublishMessageSent();
+
 }
\ No newline at end of file