Restriction by message

Moodle availability plugin which lets users restrict resources, activities and sections based on Message preferences set in student profile such as Mobile / Jabber / Web / Telegram or …
Teachers (and other users with editing rights) can add the “User userpreferences” availability condition to activities / resources / sections in their courses and set somthing such as Jabber / Mobile / Web / Telegram or any other messaging system in core of moodle or 3rd party.