diff --git a/simpleCart.js b/simpleCart.js
index b578fb4..48b6ad6 100755
--- a/simpleCart.js
+++ b/simpleCart.js
@@ -949,6 +949,12 @@
 					}
 
 
+					// add custom pass-through variable
+					if (opts.custom) {
+						data.custom = opts.custom;
+					}
+
+
 					// add all the items to the form data
 					simpleCart.each(function (item,x) {
 						var counter = x+1,
diff --git a/simpleCart.min.js b/simpleCart.min.js
index 78773ee..17dde8c 100755
--- a/simpleCart.min.js
+++ b/simpleCart.min.js
@@ -1,52 +1 @@
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-b.each(function(a){d+=parseFloat(a.get("shipping")||0)});return parseFloat(d)}}});A={attr:function(a,b){return a.get(b.attr)||""},currency:function(a,d){return b.toCurrency(a.get(d.attr)||0)},link:function(a,b){return"<a href='"+a.get(b.attr)+"'>"+b.text+"</a>"},decrement:function(a,b){return"<a href='javascript:;' class='"+w+"_decrement'>"+(b.text||"-")+"</a>"},increment:function(a,b){return"<a href='javascript:;' class='"+w+"_increment'>"+(b.text||"+")+"</a>"},image:function(a,b){return"<img src='"+
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-total:function(){return this.quantity()*this.price()}};b.extend({checkout:function(){if("custom"===m.checkout.type.toLowerCase()&&h(m.checkout.fn))m.checkout.fn.call(b,m.checkout);else if(h(b.checkout[m.checkout.type])){var a=b.checkout[m.checkout.type].call(b,m.checkout);a.data&&a.action&&a.method&&!1!==b.trigger("beforeCheckout",[a.data])&&b.generateAndSendForm(a)}else b.error("No Valid Checkout Method Specified")},extendCheckout:function(a){return b.extend(b.checkout,a)},generateAndSendForm:function(a){var d=
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