response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/2721/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: just a tribute (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImY4YkQtUElGNm9FQmlueVBGSnRVT0k0d3VTbXBQU1VaWXV0Z01fV3FEUEkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6IjJiZWY1MWMwYTJhYTk5ODI5MjBlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTcyNzU2ODM2OCwiZXhwIjoxNzI3NTY4NjY4LCJqdGkiOiJmZTMyMGY3MjcwYmJjNWZlOTFjZiJ9.kMxCDtWNN7iID9OhHE-HyxFfjmXGk10xhH9n12HIjvwojWuFzNFbwWF0Tc6VgpgfYyEH95xLtbfbptrIBzgCZH5IcGB8A-PFHAMKywxBAAWihkyBkEyitA4wn7FybC1uPJMXZTyE0dO-3XcpE1170wTodITk3HPlEQNYYdT1j1R_maBSdYORzwX5HPiGhsvYSoHdnig64FJpfSJq0gU47jKwKW_rO3-kpWL4TAZ-q1OsdFT8bREba16jcxt-2s8arPDJVl598LfnEx3LMqD_GskfIKl238Nilz0aSTmEvrPfN6jwMZla2a94swdLbiXPbwgd2-Wapk0uJCdi1tKYTg (required, opaque value used to maintain state between the request and the callback)
login_hint: (required, tools and platforms must support a value of form_post)
lti_message_hint: (required, a platform opaque identifier identifying the user to login)
prompt: none (optional, The tool should use a value of none. In the future a re-launch flow may support additional values being used here)
nonce: 2bef51c0a2aa9982920e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
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