response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/1991/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: 12345 (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InRZQVlDbVFyWWRJaDdPVjdJQVI0Qml3YUJQNDBsX3gxazlYSDNoRTdOcFEiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjI4NGY2N2ExYTFhNjNlZGNlZDAyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTcyNTc1NjU1OSwiZXhwIjoxNzI1NzU2ODU5LCJqdGkiOiJkZDA5ZTY5NTZhZGEyYzQ5MzA4ZCJ9.OqwhZBZ0sg3sXFJMVGawtNH64LMIP1mIbZcUDLBbUT3e-4jcvommVXv4ej_Du13a7zfpzkh5pKUpHTfOpa3zlZGW1dIu1slXmPukAF-R9EJvFFXCk0XL8vyIA6Hlf-_GdDgtVODQV6geJW4tuWomqDWZmiJwyIMTOZ7hcDr5T7byf8lwev7s3zXMwV5EAtJfi-uOASYw8HJiI1_h37KBDX7JdSGToUZ_h14YhmKco56Noxt3vFZtVPN0_hRaQxFxQcg3Xt5dpHceJ1BTdDEGgmnnJ0HDRLACK0183aFkEqdaM0jGnGaLqA6FBowxXORN4XAGSRAndKXpyZau8Z8DQw (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: 284f67a1a1a63edced02 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
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