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.eyJ0b29sX2lkIjoxOTkxLCJzdGF0ZV9ub25jZSI6IjM5OWQzMWE1MGUyNzI5ZWViMmJlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxOTkxIn0sImlzcyI6IkRLVG9vbFRlc3QiLCJzdWIiOiIxMjM0NSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIyMzEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3MTMyODAwNCwiZXhwIjoxNzcxMzI4MzA0LCJqdGkiOiIxMDZhZmIwYTgxNDIyZDNmOWYyNSJ9.UYT4d6t5oT0DCTKwkXoCFPvl2RcncEpBv9Sa3LAAgidPSEXZVId0wB_cc68hQ0xpfLJID9JzHVdjhJ7587maGb-F4JkBcvaSW4vJiG7qVmI2jeN9a8gyVNsg0aGa97GwGJBbviwYB1T8z5DUE_CTgmQM3Hrb_aEHmuGTeW_H0uh68H29Cj18gTEJR5m8fDe0SdseWs0VQ3mKf5gRPeH2kqCzo68a1A3fJXpXLFkBMWLNIf3GGpaL7Q3sYstLw_Vmyxs4cAcsV2IcCq1cus8YKYCN_V3AbgURYxfg9XvqIXov71EFEYATZc34AS5rLBVgpWVnCyhEVkdXuBitM_LIRQ (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: 399d31a50e2729eeb2be (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)