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What's the best way for an LTI app to get a list of teachers?

Question asked by Austin on Jul 15, 2016
Latest reply on Jul 20, 2016 by Austin

I've been working on an LTI app for Canvas that aggregates information about instructors within the account. There doesn't seem to be a great way to do this and I'm wondering if I'm missing something. Currently, I have an ugly and super-slow multi-step process via the API where I get all courses, then get the teacher enrollments from each course, then get the corresponding users. For big accounts, this does not work well.

 

I just found some information in the LTI spec about a Membership Service (Learning Tools Interoperability: Implementing Membership service | IMS Global Learning Consortium ) It looks like the spec expects a consumer (like Canvas) to provide a link at which the tool can request users within that context (and allows for filtering by role). From what I can tell Canvas doesn't do this, though? The parameter listed in the spec doesn't appear to be included in Canvas's launch request. Am I missing it? Is there a way to activate it or request it somehow in the way you configure the tool maybe?

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