diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index b004200..362f50f 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
@@ -1860,6 +1860,13 @@ Android HAL name: "gatt" (BT_PROFILE_GATT_ID)
 		                      Instance ID (1 octet)
 
 	Opcode 0x89 - Get Included Service notification
+
+		Notification parameters: Connection ID (4 octets)
+		                         Status (4 octets)
+		                         GATT Service ID (18 octets)
+		                         GATT Incl. Service ID (18 octets)
+		Valid GATT Service & Incl. Service ID: As described in Search Result
+
 	Opcode 0x8a - Register For Notification notification
 	Opcode 0x8b - Notify notification
 	Opcode 0x8c - Read Characteristic notification
diff --git a/android/hal-msg.h b/android/hal-msg.h
index 0d6a108..5c47985 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -1285,3 +1285,11 @@ struct hal_ev_gatt_client_get_descriptor {
 	struct hal_gatt_gatt_id char_id;
 	struct hal_gatt_gatt_id descr_id;
 } __attribute__((packed));
+
+#define HAL_EV_GATT_CLIENT_GET_INC_SERVICE	0X89
+struct hal_ev_gatt_client_get_inc_service {
+	int32_t conn_id;
+	int32_t status;
+	struct hal_gatt_srvc_id srvc_id;
+	struct hal_gatt_srvc_id incl_srvc_id;
+} __attribute__((packed));