updateChannel method Null safety

Future<GroupChannel> updateChannel(
  1. GroupChannelParams params,
  2. {OnUploadProgressCallback? progress}

Updates this channel with given params and optional progress.

After this method completes successfully, channel event such as ChannelEventHandler.onChannelOperatorsUpdated and ChannelEventHandler.onChannelChanged can be invoked based on given params.


Future<GroupChannel> updateChannel(
  GroupChannelParams params, {
  OnUploadProgressCallback? progress,
}) async {
  params.channelUrl ??= channelUrl;

  if (params.channelUrl != channelUrl) {
    throw InvalidParameterError();

  return _sdk.api.send<GroupChannel>(
      GroupChannelUpdateRequest(params, onProgress: progress));