add missing function

backend/app/plugins/wiaas/includes/user/wiaas-organization-functions.php

@@ -56,6 +56,15 @@ function wiaas_get_organizations_with_role($role) {
     return is_array($terms) ? $terms : array();
 }
 
+/**
+ * Retrieves list of broker organizations in [ 'id' => 'name' ] format
+ *
+ * @return array
+ */
+function wiaas_get_brokers() {
+    return wiaas_get_organizations_with_role('administrator');
+}
+
 /**
  * Retrieves list of commercial lead organizations in [ 'id' => 'name' ] format
  *