changeDataChannel property

StreamController<ChangeDataSignal<D>>? changeDataChannel

The interaction channel of change data signals.

You can either get change data signals by listening to it's stream, or mannually emit change data signals into this chart by adding to it's sink.

You can also share it with other charts for sharing change data signals, in which case make sure it is broadcast.

Implementation

final StreamController<ChangeDataSignal<D>>? changeDataChannel;