f8.1/sdk/dart/zircon/Channel/write.md

# write method








int write
(ByteData data, [List<[Handle](../../zircon/Handle-class.md)> handles])








## Implementation

```dart
int write(ByteData data, [List<Handle>? handles]) {
  if (handle == null) {
    return ZX.ERR_INVALID_ARGS;
  }

  return System.channelWrite(handle!, data, handles ?? []);
}
```