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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1771/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlpIeTJTSW81bldLT3dWdzJnYV9rdDdkcEN1TWIzYmR4M2pqTmpPVW1rTXMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxNzcxLCJzdGF0ZV9ub25jZSI6IjM4ZjdiYzdkM2E0YTYzMjBjMGUwIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxNzcxIn0sImlzcyI6IkVsZWN0b29sMzE2Iiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTA1L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk2NzgzNjgsImV4cCI6MTc3OTY3ODY2OCwianRpIjoiZGFiYTA3YTczOGZlMjJjZWJjMTMifQ.GXLG8V65aJVmWQGvzw1osd51qFpeXiqTS7tmsNHRIweOKPCEH18K1v5TVItMb1bmE_TGFL2MQlxQ709uTV0x-VFyKZLmlsMNuZ7_jGZVKiNk7j7pKmHK4zTXSiiSYfrw-rszxzNm_BMQIgEeuboi4tnqHjeQOQXyXHYpd4mqiFhUzQxoo8tFh7-CK9WiwcRCnBilVwx9FO8A0EeivqILRKjkRr-mlhrQzGVhkzgzmKB_3mqY3cnjh62LKLfSnb5_UkHI_w9YASVh4yy217wfjFpN7Ja0BNqw8ITsdQNfIFsIKKAe_cgWmh8-ziGqsTtlJlF4IVGwZHcvvPAmPnewEw (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: 38f7bc7d3a4a6320c0e0 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)