inviterUser method Null safety

Future<void> inviterUser(
  1. String groupId,
  2. List<String> members,
  3. {String? reason}
)

Invites users to join the group.

This method works only for groups with the style of PrivateOnlyOwnerInvite, PrivateMemberCanInvite, or PublicJoinNeedApproval. For a group with the PrivateOnlyOwnerInvite style, only the group owner can invite users to join the group; For a group with the PrivateMemberCanInvite style, each group member can invite users to join the group.

Param groupId The group ID.

Param members The array of new members to invite.

Param reason The invitation reason.

Throws A description of the exception. See {@link ChatError}.

Implementation

Future<void> inviterUser(
  String groupId,
  List<String> members, {
  String? reason,
}) async {
  Map req = {
    'groupId': groupId,
    'members': members,
  };
  req.setValueWithOutNull("reason", reason);

  Map result = await _channel.invokeMethod(
    ChatMethodKeys.inviterUser,
    req,
  );

  try {
    ChatError.hasErrorFromResult(result);
  } on ChatError catch (e) {
    throw e;
  }
}