diff --git a/lib/import_functions.js b/lib/import_functions.js
index 5c24170..f5085eb 100644
--- a/lib/import_functions.js
+++ b/lib/import_functions.js
@@ -61,6 +61,13 @@ var MBReleaseImportHelper = (function() {
 
     // --------------------------------------- publics ----------------------------------------- //
 
+    var url_types = {
+       purchase_for_download: 74,
+       download_for_free: 75,
+       stream_for_free: 85,
+       license: 301
+    }
+
     // compute HTML of search link
     function fnBuildSearchLink(release) {
 
@@ -203,8 +210,9 @@ var MBReleaseImportHelper = (function() {
     // ---------------------------------- expose publics here ------------------------------------ //
 
     return {
-                buildSearchLink: fnBuildSearchLink,
-                buildFormHTML: fnBuildFormHTML,
-                buildFormParameters: fnBuildFormParameters
-            };
+       buildSearchLink: fnBuildSearchLink,
+       buildFormHTML: fnBuildFormHTML,
+       buildFormParameters: fnBuildFormParameters,
+       URL_TYPES: url_types
+    };
 })();