diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index f7c9f7d..8bf8af6 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
@@ -1999,6 +1999,11 @@ Android HAL name: "gatt" (BT_PROFILE_GATT_ID)
 		                         Descriptor Handle (4 octets)
 
 	Opcode 0x99 - Service Started notification
+
+		Notification parameters: Status (4 octets)
+		                         Server (4 octets)
+		                         Service Handle (4 octets)
+
 	Opcode 0x9a - Service Stopped notification
 	Opcode 0x9b - Service Deleted notification
 	Opcode 0x9c - Request Read notification
diff --git a/android/hal-msg.h b/android/hal-msg.h
index 5bf970a..9978343 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -1435,3 +1435,10 @@ struct hal_ev_gatt_server_descriptor_added {
 	int32_t srvc_handle;
 	int32_t descr_handle;
 } __attribute__((packed));
+
+#define HAL_EV_GATT_SERVER_SERVICE_STARTED	0x99
+struct hal_ev_gatt_server_service_started {
+	int32_t status;
+	int32_t server_if;
+	int32_t srvc_handle;
+} __attribute__((packed));