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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4903/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlQ4dHN4VjRiQnkteXl4WDhPaEJ0ZkQxMXB0bVc2dWVHWGN6VXRXc3kxeFUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0OTAzLCJzdGF0ZV9ub25jZSI6ImE0MWU0Y2IxZGRlMzA4ZGZiOGVhIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0OTAzIn0sImlzcyI6Im5ld3Rlc3R0b29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80OTk3L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTQwMTQ3MTMsImV4cCI6MTc5NDAxNTAxMywianRpIjoiZWNhN2ZhZDI4OTIxNTdkZGU2ODkifQ.OPgeFZzyeSvmRPt73dSGqCGIAdhbmtMjFAx-v4N5d0f0eSELQov3f8in2yBeBs6AKTuhM5By3r9cdcXcT6TgctnL-D0eOYtxxqukTwwKWuuJdli2lNrL4jYfQB69PWPksfiQPM9uCxyioEeSVrHtTYsR7xCfbfbTdmlbVXNjBZ1ojqTrjExqlqaocvLHcDd6AVW8vddQ4_mTgSNUa-WOVdL3SiGHlDciyrOG-Gd_DUxA44vlNk9Q0wymBRVkIp-y7ESJIvNeHpbVY8Tvqi9HqblKUtOINqaD5i-qbTRa6irUEMemt__-ZigO2nxizOV-VHjoO9yxbocdzdvi6Z8LSw (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: a41e4cb1dde308dfb8ea (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)