luos/workflow/engine/methods/setup/processHeartBeatAjax.php

<?php

switch ($_GET['action']) {
    case 'saveOption':
        try {
            $oServerConf = ServerConf::getSingleton();
            $response = new stdclass();
            /*you can use SYS_TEMP or SYS_SYS ON HEAR_BEAT_CONF to save for each workspace*/
            $oServerConf->unsetHeartbeatProperty('HB_BEAT_TYPE', 'HEART_BEAT_CONF');
            if (isset($_POST['acceptHB'])) {
                $oServerConf->setHeartbeatProperty('HB_OPTION', 1, 'HEART_BEAT_CONF');
                $oServerConf->unsetHeartbeatProperty('HB_NEXT_BEAT_DATE', 'HEART_BEAT_CONF');
                $response->enable = true;
                G::auditLog("EnableHeartBeat");
            } else {
                $oServerConf->setHeartbeatProperty('HB_OPTION', 0, 'HEART_BEAT_CONF');
                $oServerConf->unsetHeartbeatProperty('HB_NEXT_BEAT_DATE', 'HEART_BEAT_CONF');
                $oServerConf->setHeartbeatProperty('HB_BEAT_TYPE', 'endbeat', 'HEART_BEAT_CONF');
                $response->enable = false;
                G::auditLog("DisableHeartBeat");
            }
            $response->success = true;
        } catch (Exception $e) {
            $response->success = false;
            $response->msg = $e->getMessage();
        }
        echo G::json_encode($response);
        break;
}