initializeCallback method

Future<void> initializeCallback({
  1. void onNewEndpoint(
    1. PushEndpoint endpoint,
    2. String instance
    )?,
  2. void onUnregistered(
    1. String instance
    )?,
  3. void onMessage(
    1. PushMessage message,
    2. String instance
    )?,
})

Implementation

Future<void> initializeCallback({
  void Function(PushEndpoint endpoint, String instance)? onNewEndpoint,
  void Function(String instance,)? onUnregistered,
  void Function(PushMessage message, String instance)? onMessage,
}) async {
  _onNewEndpoint = onNewEndpoint;
  _onUnregistered = onUnregistered;
  _onMessage = onMessage;
}