I hope that there will be a logic process before the questionnaire is loaded, and an event will be triggered before the welcome page. Does limesurvey have such an event?
I can only add code to application/controllers/survey/index.php 608 line now,
eg:
$event = new PluginEvent('beforeSurvey');
$event->set('surveyId', $surveyid);
App()->getPluginManager()->dispatchEvent($event);

Is there a better way? Or comes with the system? Or I submit to github?

Close this one : forums.limesurvey.org/forum/plugins/1232...esurvey-event/unread