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.eyJ0b29sX2lkIjo0OTgwLCJzdGF0ZV9ub25jZSI6ImYwNGQzYTRkMDViM2VmMzRiMDVkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTgwIn0sImlzcyI6IkdSIEx0aSBUb29sIiwic3ViIjoiZ3ItaW1zLWx0aSIsImF1ZCI6Imh0dHBzOi8vbHRpLmlubm92YW5vLmNvbS9wdWJsaWMvcGxhdGZvcm0vdG9rZW4iLCJpYXQiOjE3NzMyMjIyODAsImV4cCI6MTc3MzIyMjU4MCwianRpIjoiNWQ5Y2Q0ZDQ5YmFkNjRmOWU5NDIifQ.EidOFGRncpjGIDXEnJz19vDprnFHc0boRZpxuAt5mFwl2dDIDG30VX9HanXT18u6qfDFOHmSlDPVJ6L02TwOaaXa-qzX2XPM5AFy6kPzqHZXc1xC6hOfYerpdLfbvjs5pMqvyTTJYQnt80WRnbN3eFibYsu2fQnEYBtA_tGWl9qu_zBnzyc57fdFyXcGOmQt39JVZEGFEFigo7u2qlA6WViBb4B7FeimETedI5wfG5_g75bpTHZVfK-DrgXzOK1YRzWVQ1q3DL1Esn7O_7IV7adsc2eNH1V5rB-ZFnsJlr6SJQFKcpBr2y0thXX4XmFN1mf20rHNZyyziPGUYvOZRw (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: f04d3a4d05b3ef34b05d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)