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• At which college/district IDP did the user authenticate?
• If a user is logged into to multiple applications, does logging out of one application mean the user should be logged out of all applications?  For example, if the user is logged into MyPath and Canvas, does logging out of MyPath also mean the user should be logged out of Canvas?

Reference

http://xacmlinfo.org/2013/06/28/how-saml2-single-logout-works/