I have a chrome extension that listens keydown on ctrl+shift+u.
If I trigger an event ctrl+shift+u in a content script, the plugin's listener won't fire.
// ( I am using jQuery )
var e = jQuery.Event( "keydown" );
            e.which = 85;
            e.keyCode = 85;
            e.shiftKey = true;
            e.ctrlKey = true;
$( document ).trigger( e );
How can I properly trigger this event? ( preferably from a content script or from another extension )
I would not say this question is a duplicate. I succeeded to trigger the event, only the extension's handler won't fire. This question rather refers to emulating browser actions, not content-based events.
UPDATE:
The extension that listens the event is a third party software, there is no way to dig inside it's code. This keyboard event can be configured on browser-level in chrome://extensions/configureCommands
 
    