While version 1 of the API still exists for server-side registration, client commands functionality is no longer present in that version. If you use client commands, you must use version 2, which now uses an event for registration as well:
While version 1 of the API still exists for server-side registration, client commands functionality is no longer present in that version. If you use client commands, you must use version 2, which now uses an event for registration as well: