Make request for all users of a course after receiving Live Event payload
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Currently, my company has a canvas integration for our apps that uses the REST API. Customers seem to be interested in notifying users/students when a new assignment is created, updated, new discussion post created, replied to, etc. I read through the Live Events documentation https://canvas.instructure.com/doc/api/file.tools_intro.html which would be perfect to initiate the flow and provide the course as well as what was created/updated. But from there I'm not quite sure how to retrieve all users in a course. I stumbled upon this post https://community.canvaslms.com/t5/Developers-Group/Use-the-canvas-API-from-an-LTI-1-3/td-p/412312 and it seems as though the possible options would be to set up the service as an LTI or use an Admin access token that doesn't expire.
I don't really know much about LTIs but one thing I wasn't sure about while reading through the docs is if set up as an LTI could the LTI make a request to Canvas without being initiated by Canvas? Or I guess to clarify can the LTI service be triggered by a Live Event and then make a request to Canvas for the necessary info?
If LTI wouldn't be the right way to approach this is there a better way or is the only way to use an Admin access token with REST API calls?
