diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index 9a3c776..b5f302b 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
@@ -1477,6 +1477,16 @@ Android HAL name: "gatt" (BT_PROFILE_GATT_ID)
 		In case of an error, the error response will be returned.
 
 	Opcode 0x08 - Search Service command/response
+
+		Command parameters: Connection ID (4 octets)
+		                    Number of UUID Filters (1 octet)
+		                    UUID Filter (variable)
+		Valid Number of UUID Filters: 0x00
+		                              0x01
+		Response parameters: <none>
+
+		In case of an error, the error response will be returned.
+
 	Opcode 0x09 - Get Included Service command/response
 	Opcode 0x0a - Get Characteristic command/response
 	Opcode 0x0b - Get Descriptor command/response
diff --git a/android/hal-msg.h b/android/hal-msg.h
index a6082ad..8ccf88e 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
@@ -560,6 +560,13 @@ struct hal_cmd_gatt_client_refresh {
 	uint8_t bdaddr[6];
 } __attribute__((packed));
 
+#define HAL_OP_GATT_CLIENT_SEARCH_SERVICE	0x08
+struct hal_cmd_gatt_client_search_service {
+	int32_t conn_id;
+	uint8_t number;
+	uint8_t filter_uuid[0];
+} __attribute__((packed));
+
 /* Notifications and confirmations */
 
 #define HAL_POWER_OFF			0x00