diff --git a/token_insert_entity.api.php b/token_insert_entity.api.php
new file mode 100755
index 0000000..111e941
--- /dev/null
+++ b/token_insert_entity.api.php
@@ -0,0 +1,23 @@
+<?php
+
+
+/**
+ * @file
+ * Documentation for Token Insert Entity api.
+ */
+
+
+/**
+ * Allow other modules to alter the $type_titles array.
+ * This allows other modules to enable access to entities
+ * such as beans or users.
+ *
+ * @param &$type_titles
+ *  The array containing the type titles.
+ *
+ * @return
+ *   Nothing
+ *
+ */
+function hook_alter_entity_type_titles(&$type_titles) {
+}
\ No newline at end of file
diff --git a/token_insert_entity.module b/token_insert_entity.module
old mode 100644
new mode 100755
index 14ee0a9..030d6ca
--- a/token_insert_entity.module
+++ b/token_insert_entity.module
@@ -133,10 +133,14 @@ function token_insert_entity_wysiwyg_include_directory($type) {
 /**
  * Returns an array of entity types and their property name which act as the title.
  *
- * @TODO: make this array alterable so other modules can add custom entity types.
  */
 function _token_insert_entity_entity_type_titles() {
-  return array(
-    'node' => 'title',
-  );
+  $type_titles = array('node' => 'title');
+  
+  foreach(module_implements('alter_entity_type_titles') as $module){
+    $function = $module . '_alter_entity_type_titles';
+    $function($type_titles);
+  }
+
+  return $type_titles;
 }