There is working code available from the Tracker item which anyone is able to use. Having missed the deadline for 2.9, I am now planning to improve the code before the next release. But I have still to make enquiries about how the move to Moodle 3 will affect such plans.
LTI and Moodle
How to link a resource from an external tool?
ការពិភាក្សាត្រូវបានបិទ ដូច្នេះអ្នកមិនអាចឆ្លើយតបទៀតទេ។