public async Task <IActionResult> GetAsync([FromQuery] string lastName = null) { IEnumerable <Domain.Models.Admins> admins = await _repo.GetAdminsAsync(lastName); if (admins.Count() == 0) { return(NotFound("Last name not found.")); } else { IEnumerable <Admins> resource = admins.Select(Mapper.MapAdmins); return(Ok(resource)); } }