Abstract validator example to viewModel/DTO validation

ValidationExample.cs

public class CustomValidation : AbstractValidator<ToValidateViewModel>
    {
        public EditarCursoValidation()
        {
            RuleFor(example => example).SetValidator(new Validator());
        }
        
    }

    public class Validator : AbstractValidator<ToValidateViewModel>
    {
        public Validator()
        {
            RuleFor(c => c.Property)
                .NotNull().WithMessage(ValidationErrorMessage)
                .NotEmpty().WithMessage(ValidationErrorMessage);
        }
    }