*/
public static function endPostProcess(&$form, &$params, $activity) {
$groupingValues = CRM_Core_OptionGroup::values('case_status', FALSE, TRUE, FALSE, NULL, 'value');
*/
public static function endPostProcess(&$form, &$params, $activity) {
$groupingValues = CRM_Core_OptionGroup::values('case_status', FALSE, TRUE, FALSE, NULL, 'value');