$session = CRM_Core_Session::singleton();
$session->pushUserContext(CRM_Utils_System::url('civicrm/contact/view/case', "reset=1&id={$this->_entityID}&cid={$this->_contactID}&action=view"));
- $session = CRM_Core_Session::singleton();
$activityTypeID = CRM_Core_PseudoConstant::getKey('CRM_Activity_BAO_Activity', 'activity_type_id', 'Change Custom Data');
$activityParams = array(
'activity_type_id' => $activityTypeID,