public async Task <IActionResult> AddAvailability([FromBody]
                                                          AddAvailabilityCommand command
                                                          )
        {
            if (!ModelState.IsValid)
            {
                return((IActionResult)BadRequest());
            }

            var result = await _serviceCategoryService.AddAvailability(command);

            return(CreatedAtAction(nameof(AddAvailability), new { id = result.Id }, null));
        }