[jQuery] [validation] how to return for jquery.Format

[jQuery] [validation] how to return for jquery.Format


Hi, im adding a method. i want to display a message like:
THECONTENTOFMYINPUT is already user. this is what im doing.
     jQuery.validator.addMethod("checkname", function(value, element) {
         var name = $('#PromotionName').val();
         var promotion_id = $('#PromotionId').val();
         text = $.ajax({ url:
"/promotions/checkName/"+name+'/'+promotion_id, type:'post',
async:false }).responseText;
         return eval(text);
        }, jQuery.format("{0} is already used", $('#PromotionName').val() ));
but dont works