# BluetoothSessionEventGattChanged

`import { BluetoothSessionEventGattChanged } from "destack:device/binding";`

Bluetooth session GATT changed event.

```ds title="BluetoothSessionEventGattChanged"
export struct BluetoothSessionEventGattChanged {
    kind: "gattChanged";
    timestampNs: uint64;
    sequence: uint64;
}
```

[language/library/src/device/binding/bluetooth.ds:333:340](https://github.com/destack-sh/destack/blob/main/language/library/src/device/binding/bluetooth.ds#L333-L340)

## Members

### `kind: "gattChanged"`

Event discriminator.

### `timestampNs: uint64`

Event timestamp in nanoseconds.

### `sequence: uint64`

Event sequence number.