protected function populatePreviousData(Form $form) {
		$prepops = EventAttendee::config()->prepopulated_fields;
		if (!$prepops) {
			return;
		}
		$latestattendee = $this->registration->Attendees()
			->sort("LastEdited", "DESC")->first();
		if($latestattendee){
			$form->loadDataFrom($latestattendee, Form::MERGE_DEFAULT, $prepops);	
		}
	}