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.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6ImM3YjBjYTU5ZWI3OTZhYTVkNGE1IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk4MTU2NTksImV4cCI6MTc3OTgxNTk1OSwianRpIjoiZjgxNGU2ZjUxZDM0NGQ4YzE4ZWUifQ.LdL5ZXq5XcwJOnmjZfjzI5gpwRWYoNo0itYO_voaeu_CBXT1ElaVjMqOXQqbM7kv8cZr3zI7Bq2vfZxY2oRwBvl4mirN1HrWckvpmrDbgJOU2f4eaAQwLVn7PzyWPzbFfGqjUPvYBhdFQnf5qHhC14oG2i92knH6WVje-wQ8azTENCKLm444oYQC0lT0M_wxwSlRYO1IwdIoJup-aOafoqev8dY0iWOygKOBX_fPxD6BDD9DGTODPn3YThALMeSzStdftaI68cFe6RsoXc4oGNG47ixWmNUqBa9qtU1qZKYCElqwqygn6ULYgkSWyUBgbotwiYWN-Bsu3HihQfzljQ (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: c7b0ca59eb796aa5d4a5 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)