if (!isset($this->data['new_operation']['opmessage']['default_msg'])) {
     $this->data['new_operation']['opmessage']['default_msg'] = 0;
 }
 $usrgrpList = new CTable(null, 'formElementTable');
 $usrgrpList->setHeader(array(_('User group'), _('Action')));
 $usrgrpList->attr('style', 'min-width: 310px;');
 $usrgrpList->setAttribute('id', 'opmsgUsrgrpList');
 $addUsrgrpBtn = new CButton('add', _('Add'), 'return PopUp("popup.php?dstfrm=action.edit&srctbl=usrgrp&srcfld1=usrgrpid&srcfld2=name&multiselect=1", 450, 450)', 'link_menu');
 $addUsrgrpBtn->attr('id', 'addusrgrpbtn');
 $usrgrpList->addRow(new CRow(new CCol($addUsrgrpBtn, null, 2), null, 'opmsgUsrgrpListFooter'));
 $userList = new CTable(null, 'formElementTable');
 $userList->setHeader(array(_('User'), _('Action')));
 $userList->attr('style', 'min-width: 310px;');
 $userList->setAttribute('id', 'opmsgUserList');
 $addUserBtn = new CButton('add', _('Add'), 'return PopUp("popup.php?dstfrm=action.edit&srctbl=users&srcfld1=userid&srcfld2=fullname&multiselect=1", 450, 450)', 'link_menu');
 $addUserBtn->attr('id', 'adduserbtn');
 $userList->addRow(new CRow(new CCol($addUserBtn, null, 2), null, 'opmsgUserListFooter'));
 // add participations
 $usrgrpids = isset($this->data['new_operation']['opmessage_grp']) ? zbx_objectValues($this->data['new_operation']['opmessage_grp'], 'usrgrpid') : array();
 $userids = isset($this->data['new_operation']['opmessage_usr']) ? zbx_objectValues($this->data['new_operation']['opmessage_usr'], 'userid') : array();
 $usrgrps = API::UserGroup()->get(array('usrgrpids' => $usrgrpids, 'output' => array('name')));
 order_result($usrgrps, 'name');
 $users = API::User()->get(array('userids' => $userids, 'output' => array('alias', 'name', 'surname')));
 order_result($users, 'alias');
 foreach ($users as &$user) {
     $user['fullname'] = getUserFullname($user);
 }
 unset($user);
 $jsInsert = 'addPopupValues(' . zbx_jsvalue(array('object' => 'usrgrpid', 'values' => $usrgrps)) . ');';
 $jsInsert .= 'addPopupValues(' . zbx_jsvalue(array('object' => 'userid', 'values' => $users)) . ');';
 zbx_add_post_js($jsInsert);