public async Task <IActionResult> Get(int id) { if (id <= 0) { NotifyError("id inexistente"); return(CustomResponse(statusCode: StatusCodes.Status400BadRequest)); } Exam exam = await _examService.FindByIdAsync(id); if (exam == null) { return(CustomResponse(statusCode: StatusCodes.Status400BadRequest)); } return(Ok(_mapper.Map <Exam, ExamDTO>(exam))); }