If you’re still looking for this kind of answer, one way of figuring out what is firing is by entering this in your browser console and using the media modal:
wp.media.frame.on('all', function(e) { console.log(e); });
If you’re still looking for this kind of answer, one way of figuring out what is firing is by entering this in your browser console and using the media modal:
wp.media.frame.on('all', function(e) { console.log(e); });