public async Task <ActionResult> Post([FromBody] CustomerInputModel customer, CancellationToken cancellation)
 {
     if (!ModelState.IsValid)
     {
         return(BadRequest(ModelState));
     }
     return(Ok(await _store.CreateCustomer(customer, cancellation)));
 }
 public IActionResult CreateCustomer(Customer customer)
 {
     cs.CreateCustomer(customer);
     return(Created(customer.FName, customer));
 }