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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4874/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: 123456789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImtrZk9XemRqMnJUTTNObWRoXzhvMmJaLU51YlV2X19VTERMaTNncTlNXzQiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODc0LCJzdGF0ZV9ub25jZSI6ImIyYTNlZGI3ZDIyOWY0ODgyYWZkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc0In0sImlzcyI6IndhbGRvc3JhbmdldG9vbCIsInN1YiI6IjEyMzQ1Njc4OSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ5NjMvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTQ3OTA5NiwiZXhwIjoxNzg1NDc5Mzk2LCJqdGkiOiJjYjJlMmZlNmZlNDM3YzJmYjdhZCJ9.aa8IZcqzHaoToygCbxX8UQjTq-5KjYQFNXGb7E-4LWjCefJYzTBTay0jI2hqMqGWrukTQD65B46UcD8l_ppXu-uEpOwi2pFuWZKer9FNT-Wt8PY9CBu5oTxZVNFfnENAJ1AauoFD3SxGFIGkkhaVI5LezwJLpqy9Hls-TKfYKI2paOZ0_vv5DorrIeV0grVAd5xFFXqPYNkp-LRcP0-l7WEYo9RTQWI_5d2NwZX68W2xJz0WpcqjbzhuiwrnbOcz-adiZ0bZMGTkTxHWOtcCQDAS16ZbvuyYhtIKM43I6ax2QhjKJGunyTQZ3ap4sJMxYNSv7-xqThJ8AKPhTlRosA (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: b2a3edb7d229f4882afd (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)