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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4980/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: gr-ims-lti (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlJvQXczZ2Iwem9CN2VwbHNLZlZuUUxDekRhdXozd29ZbzRQQVlDeUpHZWsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTgwLCJzdGF0ZV9ub25jZSI6IjdlYTMxNjJlM2UzNzdkMzdkMzY2IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTgwIn0sImlzcyI6IkdSIEx0aSBUb29sIiwic3ViIjoiZ3ItaW1zLWx0aSIsImF1ZCI6Imh0dHBzOi8vbHRpLmlubm92YW5vLmNvbS9wdWJsaWMvcGxhdGZvcm0vdG9rZW4iLCJpYXQiOjE3NzA4NDA4NzAsImV4cCI6MTc3MDg0MTE3MCwianRpIjoiZjJiY2ZiY2NiZDI2MmJiOTg3MjMifQ.FQLczzCnNqcIf4z9WeUGqbkPEAD9_DHpKzyOqur_W9HduOACVH9XUlByXLYS8qqY1kEsrzS_FybADrcj-6unp-2Rp1siHdhIkuSNJ9a4cBr743dAw6MiGm7gjbiuo4FY_485mHb8zcOFFw4p0gcJ6J75k2lZ0ZZpwuVpyWV4ImCMXKHnSk2ujuHeYmyGRGuJ-XCXjPbVxAuBuMbVXTio0c04cSy8I10bpWmPj8D-C4SEe78A4jQLTcsyRMxA8fAKST4qL4wh8EJLB73-w9Em9p3L9Yd-csPtS7KaaRoqea8BFdJAX--TvuybXtNyhbNNfkAuqLu3BzTtVIUDDVSkAw (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: 7ea3162e3e377d37d366 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)