Collaborations cannot be scheduled, included in modules, or graded, but they are a great way to share out google docs and google apps with a specific group and no one else.
Using Collaborations in Canvas
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Submitting a Google Drive Cloud Assignment as a StudentSubmitting a Google Drive Cloud Assignment as a Student
This is how a student views the Google Drive Cloud Assignment and submits it. The google doc, slide deck, or sheet is stored in a folder on the student’s drive