subscribe method

Future<List<ChatPresence>> subscribe(
  1. {required List<String> members,
  2. required int expiry}

Subscribes to a user's presence states. If the subscription succeeds, the subscriber will receive the callback when the user's presence state changes.

Param members The list of IDs of users whose presence states you want to subscribe to.

Param expiry The expiration time of the presence subscription.

Return Which contains IDs of users whose presence states you have subscribed to.

Throws A description of the exception. See ChatError.


Future<List<ChatPresence>> subscribe({
  required List<String> members,
  required int expiry,
}) async {
  Map req = {'members': members, "expiry": expiry};
  Map result =
      await _channel.invokeMethod(ChatMethodKeys.presenceSubscribe, req);
  try {
    List<ChatPresence> list = [];
    result[ChatMethodKeys.presenceSubscribe]?.forEach((element) {
    return list;
  } on ChatError catch (e) {
    throw e;