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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4621/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkgxaHg5ZFVsMC05bDVhc0xZMVR4NzhSVUQ2REhhb01lOU9PcGZuUm9zbEUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6IjAwOTJkZWM4YjRmZWZiZjAzZjZkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzUwNjc0NDksImV4cCI6MTc3NTA2Nzc0OSwianRpIjoiZTI2YWZmNjAyYTJiNmY4ZTgzOGUifQ.jWN192KdyU3Tr-j6BAmNnPCKqmIoj8tpxB5_4UdC18frrBwx0OKI96DZG8ZpBQYWtDuJ-NqjBpD35DR2zZFYKyWtOniTcbfSK5VMrKaPHfXhB5834KdpRgcZ-JKOmW0Jxk4Adra6CvFm2aDyi3YkGOyiAuYDNveR41fA-bJTcU3J1E9PcYKOB4Iw7yk9bLLIeqsQdXPGgsADXQ7I9ZiqjARuToT6nSWRogHPV9LfF-M4YNDblN55jseqhJPuYz1iQoLNeq2mXz-NDSCcjQhf0vI1U60fzrpgpqDpDSv3dZoyI3zmGLhLV8gWsgYo74rlSf4RFOoUGW2gpynvLhwvGA (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: 0092dec8b4fefbf03f6d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)