async function create(req, res) {
    const messageToSend = {
      text: req.body.text,
      source: 'api_client',
      language: req.user.language,
      source_user_id: req.user.id,
      user: req.user,
      created_at: req.body.created_at || new Date(),
      id: req.body.id,
    };
    gladys.event.emit(EVENTS.MESSAGE.NEW, messageToSend);
    res.status(201).json({
      text: req.body.text,
      source: 'api_client',
      language: req.user.language,
      source_user_id: req.user.id,
      created_at: messageToSend.created_at,
    });
  }
@api {post} /api/v1/message Send message to Gladys
@apiName SendMessage
@apiGroup Message
@apiParam {string} text Text to send
@apiSuccessExample {json} Success-Example
{
  "text": "Turn on the light in the kitchen",
  "source": "api_client",
  "language": "fr",
  "source_user_id": "e4e3f03e-60b9-485e-bc0a-c582b69089bd",
  "created_at": "2019-05-09T03:40:52.881Z"
}