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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1821/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNYUGpOdVlDVjVwWXFKUmpaU2FURzNyQzlZUjEzcV9tOVRTSHlwTXNKQTAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODIxLCJzdGF0ZV9ub25jZSI6IjU5NGI5ZDRlZDAxMDBhYWIzNjgxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODIxIn0sImlzcyI6IkxhbGFuZGUgT3B0aW1pemVyIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTcwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA0Mjk4NzQsImV4cCI6MTc3MDQzMDE3NCwianRpIjoiNzQ3Yzc3MjZjN2QwYzU3MTVhMGQifQ.qFPovrd8M6rmtjcrRIc6ENNhHEZeJs8yv2tRRF2gs6d7loXqbDrjieaIcH9rEpOAKZGhQ2LBg3NOmx8A__qsLCw9RIOOxLy5TTMGl0rbwmqPxF02YxG07iChY5xyhV5ppuw1zJ1vddEoEVJ_TpynIZ1AcvE3wuzsPKSgWj-bdpHiQJSw9Ji_bWmQsx2jOvy8FgunDwgo_wJFqyTOMoPTDQY-DJyDKnoQSQRt8eQnpUBJSkdeXIUEbAGA3hzSI0eH2eca3F6bqo67pSwf81-W6K-rQrxLGm5cC8NP7MijqdUHXku9X3x4XW7TlM1gbkdvWsEJlc7j_cB7zFhkEegDuA (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: 594b9d4ed0100aab3681 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)