function query($p_filter_input)
 {
     $service_id = $p_filter_input[0];
     if (!is_numeric($service_id)) {
         return;
     }
     plugin_push_current('CustomerManagement');
     if (access_has_global_level(plugin_config_get('view_customer_fields_threshold'))) {
         $t_query = CustomerManagementDao::buildFilterArrayForService($service_id);
     }
     plugin_pop_current();
     return $t_query;
 }