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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2781/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ii1Oc2NlcnpzSF95QTBvZVdjVUI3OUFQT0lnQllBMkxucHBxcW9TUWsyUDAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNzgxLCJzdGF0ZV9ub25jZSI6Ijg1YjQ0N2RkYTVlYTJmYjIxYjEyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzgxIn0sImlzcyI6Ik1hZGFsaW5hJ3MgRmlyc3QgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzA5NC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzg1NDU5MTc3LCJleHAiOjE3ODU0NTk0NzcsImp0aSI6IjIyZjM1N2EzZTQwMDA0OGIxNjI2In0.JaxiDdSjte2HzyJKsDryOBoJFAQc3SVubSqMtdfGka8GvOC48ruIJnV5CfpPjZ65qmze09pXWIpiiCeqWRUAd1lk_TLpzlmHuccEre87bnqt_wtZtI8JU_ObSuLg-5PFZKcKmIDKTuHIap3nPEy5fkzazjRK5VZ7YLjXa8YZAc3y3ue2CvaqRq8LZS8Qb1b-SkXQC5WE3KmW5keufhriq2OLcUX7ERNyXQEfoY4ZHMY3WQA9X3VeuyR3gIhKoxn38HN-Lwqb22B7YfIq2LxrWBJDmJTk6UnnC-pjXyzyqZO7wQY6C5xWUWNfvZdLhT3lH-7X0swprpHxEtt8cdhKTQ (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: 85b447dda5ea2fb21b12 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)