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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2439/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: 999 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkhsWXE4emF4Q0o2c210ZEZSRG56VzdwbzBPUU83ZjBGeWY1YVNWeG9jVU0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNDM5LCJzdGF0ZV9ub25jZSI6Ijc4ZmU0NDA2MThjNDdkOTc3ZGQwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNDM5In0sImlzcyI6ImFsX2xhYl9kZW1vIiwic3ViIjoiOTk5IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMjcxNy9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzgyNDUxNzUxLCJleHAiOjE3ODI0NTIwNTEsImp0aSI6Ijk4YTg5YzkwYTRlMDY0NzhmMmJjIn0.F-6QSIr8QQp3pXsFcKR01_VAuz0hWgHExx4z5Ctvtur28gy4WBLwOKC0WCSi7HLlaHlc7BXjyNZhLTRlXpIva6Cdng8Ei6odAAKeaUaWbwiKKvm6bAE8AipIU_yBWHeLUxLZ-fYlidQCLzf1PtFj5q1fRKtGNv0OBdYZavV8OSS6haCIfZoCsZ2qAp86-fwuL9Wr3kkmxdDStrnwWJpvw2ydCT8VrdvtuFVbS87MwsejvWZF_Uaxo5OMFdmkR9CF8NWQ1AadCgHNuq6X5Bf2y5Mq-JhXEQd4Cf_nEgaNRD3QPb3zclcgiUm_bFoOsCVVT8CHKGrSVzqKxy11kJbvHg (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: 78fe440618c47d977dd0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)