Comment 5 for bug 512502

We could add a new watcher like with "QUESTION" which saves questions, we could add "[slide #]" (which the instructor uses to indicate the slide) to save current slide, then lernid asks Classbot in a pm !slide for example and Classbot just writes 3 for slide 3 for example.
Is such thing possible or does it create some sort of problems with other things in the future?