elixFormsAPI - update syntax and add prepare global function

collections/elixForms API v2/elixFormsJs.js

@@ -13,6 +13,11 @@ function visualize(res) {
   console.log(response.decodedDocument);
 }
 
+function prepareEftlDocument(doc) {
+  bru.setVar("elixBase64EftlDocument", btoa(doc));
+}
+
 module.exports = {
-  visualize
+  visualize,
+  prepareEftlDocument
 };