// See https://aka.ms/new-console-template for more information using FluentValidation.Results; Console.WriteLine("Hello, World!"); var customer = new Customer(); var validator = new CustomerValidator(); // Execute the validator. var results = validator.Validate(customer); // Inspect any validation failures. var success = results.IsValid; if (!success) { Console.WriteLine("Validation failed"); foreach (var failure in results.Errors) { Console.WriteLine(failure.ErrorMessage); } } else { Console.WriteLine("Validation succeeded"); }