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.eyJ0b29sX2lkIjozMTI5LCJzdGF0ZV9ub25jZSI6ImM2ZmI5NDIwODhjNjllNzFhZDI4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzMTI5In0sImlzcyI6IlBFUlRTIExUSSAxLjMgUHJvdG90eXBlIFRvb2wiLCJzdWIiOiJjbGllbnRfaWRfZnJvbV90b29sX2NvbnN1bWVyIiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzQ4My9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzczOTAyMjM5LCJleHAiOjE3NzM5MDI1MzksImp0aSI6IjU0MjlhZWM4OTE2NzZkY2I5ZjE1In0.BMzypgZ9Rgmm5IoEmfBl8AO5iwv3G3jAmpNRPkDDT7E9LqIFGoBgWgEXSE8Ai3iqI0mIBjMyoNpEU3LEhgvWspan7ZQWM8AzARSXMWGqVqIqC8IqRsQttwRqcUW1gc4vAL5fCxrUPw_VY6emP3HoJURxYo8qc_p8tGjpjOI0PXem3UgcrG8ldOXhzx_sq6EhwwNTgtQa68Kxv37cDhuF5M3LdgGeYm64I5djmVWkxub9QJLvhvhJDTYOQgKfkQNGRpPGCooAONAgLIi09weUUFrsDpt430uTc0zJE5-0-NcY91rtFDRpCd3YwTAPMsNBWDDeuKytIo19DWGhAd6zAQ (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: c6fb942088c69e71ad28 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)