response_type: id_token (required, the tool must use a value of id_token)
redirect_uri:
https://lti-ri.imsglobal.org/lti/tools/2257/launches
response_mode: form_post (required, tools and platforms must support a value of form_post)
client_id: 123456789 (required, client identifier valid at the Platform)
scope: openid (required, must contain the openid scope value)
state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImMzQjZyZ1FrSGxET3h1amhON3V6LVZSWjh2Tm1sODJCSGVuWEl1WkREaUUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjU3LCJzdGF0ZV9ub25jZSI6ImFmMjEwOTRkZDNlODljZDJjMDJhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjU3In0sImlzcyI6Ik5hbWUgb2YgdG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzI1MTQvYWNjZXNzX3Rva2VucyIsImlhdCI6MTcxNDk2MjEzNiwiZXhwIjoxNzE0OTYyNDM2LCJqdGkiOiJiNzY3ZTU3ZTFkOGI3ZGVkMTk0ZCJ9.YrJGLR774IWHLbEW9VoGCB4dpq3aSv_hGgsTQpDYTgDIPO7PPIyYvpqIYjFr8v7tVYtOPsHCF_ZYl_thXSU_EQ_JH5QgsPJbJ-X6Z2kTAWtR0mwNvgBLUWvYXAMmEKNm69HwfTfaNAb-KrfXQjbJmGFPOw1-a8Z6hriSMJ_nqu0pyvm_DGM2Gq5CTcgOtn0pOF2o2NsCtW9NfR2qyWPoJFW8-f803vHpX1yRF1EeYscQ0h9Eyrxm5YMV6asKVuD8lvGAWJzUrcN6FkRlQXRASnXLMmlS3vs1s1QMeHrOqmyZicFHHQh-WtENHb67yh2VQQkNvMEa9Is9bySOt0XG7Q (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: af21094dd3e89cd2c02a (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)
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