public async Task <ActionResult <CustomerApiModel> > Post([FromBody] CustomerApiModel input,
                                                                  CancellationToken ct = default)
        {
            try
            {
                if (input == null)
                {
                    return(BadRequest());
                }

                return(StatusCode(201, await _BlazorSupervisor.AddCustomerAsync(input, ct)));
            }
            catch (Exception ex)
            {
                return(StatusCode(500, ex));
            }
        }