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.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjE3NDIxM2YxNWE1ODY1MGFiYzQ3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTcxNTMxMTIxNSwiZXhwIjoxNzE1MzExNTE1LCJqdGkiOiJjMTY4MTk5NGRiNWM2NTlmZWVmZCJ9.h8pUD58maBEHqpIiiNzdO5wmCTHa6QI_mQL9cCR6qBAKUdmJfdHsC5NW7ZHS5C1QFWLGT0nVOI_4d951NE_5KUd-77BR3KhB9tl5omxkjfu5UktOPDJ6xJVAN85OSgp5ucn9gOLZZd7GfWhta5cIV2v2SMELtEhfgmi880y1oWMyXtQ4Gla89rhhmHddOI-jRIALjFKGCnX7SfFotMt0Yww3zCt4IdvLLY5Nlz3vtoT-NB1Qk6sUulkDAsBb8o2BgJnl8_4fnZC2lmxcDn0GAr_5YYq3GLbh3M-9mETd8C0I1XnoNoFnDoJ_QUtw0_gZ-yGdj5RXy1xfL8Qaq0CSCA (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: 174213f15a58650abc47 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
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