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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3129/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: client_id_from_tool_consumer (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlZxNkJoSUNlaEN1cWRBTWE3eVdGQkhDRHQyM2R4Q2o0akl3WmhVSTg3UGsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozMTI5LCJzdGF0ZV9ub25jZSI6ImU1OWZmNDMwZTk5YzdlOGE4OWIxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMTI5In0sImlzcyI6IlBFUlRTIExUSSAxLjMgUHJvdG90eXBlIFRvb2wiLCJzdWIiOiJjbGllbnRfaWRfZnJvbV90b29sX2NvbnN1bWVyIiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzQ4My9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc4Mjg2NTAxLCJleHAiOjE3NzgyODY4MDEsImp0aSI6IjE2MDIxZjQ3YzRmZjAzNmU4YTk5In0.rF0A0wLVrLGREcBQ_Ur6DOCQK-SLOBlMQXrxqeWkcP7hY6laRgCk6LxPE8iP4obx5p3h-_-zKtF6Trz-rD-qcKdiAM3NO5PzGII5IgcSkG8suuq4XQbsxelYaPdZnGklWPzAe7ZL_eXuudvmENJEf3lldimukB19X4rLHOc3nqoYzaz5WnOhNzztKPOk0BUIP-QVP9hm5ueMbrsP7vnbhv8tzXVe_FIoOFyuJX4UtTThhbRdIETxORLywn_FjuT3j4LUBJNY4dgu7FoF4n1DbBJ52v44bZxM9js2IlkbpDDU9IbnZkJwryOpCvQ7HgyJAvdPM2BFN7wSIHXb57G6uA (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: e59ff430e99c7e8a89b1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)