.. Darkside doorway

Some of the markings seem to be missing...

Draw is the correct phrase, you are getting close.

There's pens in Alice's bedroom. Take the blacklight pen and use that on the door.

There ought to be some kind of hint somewhere. The nanny was really suspicious.

Search the master bedroom bed. You find a strange paper. You can now use the pen on the darkside doorway.
Drag and drop the correct symbols on their correct places.

The doorway is really dark. Get some light.