diff --git a/android/hal-ipc-api.txt b/android/hal-ipc-api.txt
index f4d5c91..0518c2f 100644
--- a/android/hal-ipc-api.txt
+++ b/android/hal-ipc-api.txt
Execute Write (4 octets)
Opcode 0x9f - Response Confirmation notification
+
+ Notification parameters: Status (4 octets)
+ Handle (4 octets)
diff --git a/android/hal-msg.h b/android/hal-msg.h
index 306ac21..7b6e46d 100644
--- a/android/hal-msg.h
+++ b/android/hal-msg.h
uint8_t bdaddr[6];
int32_t exec_write;
} __attribute__((packed));
+
+#define HAL_EV_GATT_SERVER_RSP_CONFIRMATION 0x9f
+struct hal_ev_gatt_server_rsp_confirmation {
+ int32_t status;
+ int32_t handle;
+} __attribute__((packed));