response_type: id_token (required, the tool must use a value of id_token)

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1850/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: ab23789 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjN4UHNoYUJrRy1rWUVscjY0MHVDYTRyZnJNNlhEQmlJU1hJQl80WWFSaGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6IjNkNGQzZDE4MzAxZTZjYWQ1NTkyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4MjQ4MDg2MCwiZXhwIjoxNzgyNDgxMTYwLCJqdGkiOiI2MmYyNmU2ZmNmOTU1NDA2M2Q1MSJ9.paDPIwrRytXVukmsZYfdoQOYsscW-GfT2RGbeihaRRDbMZekDIwBPWlsNp6VSZDmKIMdfDilngs2-FU4S0mTYZnZSVotAOXu4TnxONzvXDXWCoTGPHQas7Yj552H3bYLpo3s591dNCvUNuN0RntErfYiAWEkmhzbbFgCDqB_EmXHNuvNxjz4EIjxSCj9Feo50gS_G_BjKzUl8QIL7zBJegb6cFoDU0T-WvwZypL5G6dUNtDBghgvxUeEZYWcF2Z3bVUlrKt8ViR51jxCHMkpO3SGZcPiQIDNv-IzENWlRT7H8zpK6Z8Kdv7wqqcQkrMHgfferCCtpNdTwHzoxIPJaw (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: 3d4d3d18301e6cad5592 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)