# sendDefaultMessage method Null safety

Future<MessageSendResult> sendDefaultMessage(

1. {required List<String> receiverUuids,
2. required DefaultTemplate template}

)

기본 템플릿을 이용하여, 조회한 친구를 대상으로 카카오톡으로 메시지 전송

## Implementation

    Future<MessageSendResult> sendDefaultMessage({
      required List<String> receiverUuids,
      required DefaultTemplate template,
    }) async {
      final params = {
        Constants.receiverUuids: jsonEncode(receiverUuids),
        Constants.templateObject: jsonEncode(template)
      };
      return _message(Constants.defaultPath, params);
    }