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 (required, This URI must exactly match a value pre-registered with the platform)

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.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6ImJkYjRmYjdkMzNhYmY2NTMzNWUwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTk1OTg3MCwiZXhwIjoxNzg1OTYwMTcwLCJqdGkiOiIwMjE2M2NmN2I3MTc3ZWY4ODkwNSJ9.IzfnJCWDntocJth4ZjobPyjsiXLPwLJRxPPy_AIHjFQvUFuTEGhru5ev2DlWxm1NyxlksMQEC8xULvH_iPDK99hyXdSbQzbWEVdrKlEh6aiSGukt33sLd1hqpHTHPZg83YzBOkffunVZJTxDt1Llo8INU2nABTJFpbg2nEHzowR0QLMIt8rBd_66-dRxkebQDwCqMujZ4gROABHtZ1otuuCH5U2TbaWDU-A24ZspAYys48-ARW41W-GY0x3XQp_euTgYoQMLLcvIysvvaLTGzUn7L9IKjfj1VtGyS6zzfqyt11B7pGs_sNgGxl-FTEPNYNfwK0QAp39mf7j-IbVV7g (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: bdb4fb7d33abf65335e0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)