/// /// /// /// /// export interface IPerson{ Checked:boolean; FirstName:string; LastName:string; Email:string; } //create custom composite validator var personValidator = new Validation.AbstractValidator(); //create field validators var required = new Validators.RequiredValidator(); var email = new Validators.EmailValidator(); var maxLength = new Validators.MaxLengthValidator(); maxLength.MaxLength = 15; personValidator.RuleFor("FirstName", required); personValidator.RuleFor("FirstName", maxLength); personValidator.RuleFor("LastName", required); personValidator.RuleFor("LastName", maxLength); personValidator.RuleFor("Email", required); personValidator.RuleFor("Email", email);