+/**
+ * Get list defaults for relationship types.
+ *
+ * @see _civicrm_api3_generic_getlist_defaults
+ *
+ * @param array $request
+ * @return array
+ */
+function _civicrm_api3_relationship_type_getlist_defaults($request) {
+ return array(
+ 'label_field' => 'label_a_b',
+ 'search_field' => 'label_a_b',
+ );
+}