public function getStartTime(\Gems_Tracker_Token $token)
    {
        $source = $this->getSource();
        return $source->getStartTime($token, $this->_surveyId, $this->_gemsSurvey['gsu_surveyor_id']);
    }
public function getStartTime(\Gems_Tracker_Token $token)
    {
        $source = $this->getSource();
        return $source->getStartTime($token, $this->_surveyId, $this->_gemsSurvey['gsu_surveyor_id']);
    }
public function getStartTime ( \ Gems_Tracker_Token $ token ) { $ source = $ this -> getSource ( ) ; return $ source -> getStartTime ( $ token , $ this -> _surveyId , $ this -> _gemsSurvey [ 'gsu_surveyor_id' ] ) ; }
The time the survey was started according to the source

@param \Gems_Tracker_Token $token Gems token object
@return \MUtil_Date date time or null
The time the survey was started according to the source