sendMessage method
Sends DOO message. The echoId is your temporary message id. When message sends successfully
DOOMessage will be returned with the echoId
on DOOCallbacks.onMessageSent. If
message fails to send DOOCallbacks.onError will be triggered echoId
as data.
Implementation
Future<void> sendMessage(
{required String content, required String echoId}) async {
final request = DOONewMessageRequest(content: content, echoId: echoId);
await _repository.sendMessage(request);
}