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.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6ImFkM2U2ZjViYzU2Y2Y1ZTM2M2I3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3OTIwOTA3MTgsImV4cCI6MTc5MjA5MTAxOCwianRpIjoiMzM5ZDUyODJhYWZlZTEzM2VjOTYifQ.FBBBex2RcT-Hsil81srSSmT47MGfRDOZiplC6ghDJckSLLv7-SWLA0uoCUVZET8RkSbPW_B4umk_hEL7Q4ge4yaIUmUnFJTd5aWRvIRQSeb2taB-RJ5d_jnoLfWkM6Uy3KbhTebwH7_yugRZ3RhmUybTRzVdfg1muq-goRr5XWipJS-k1DNFCIPg6hFemyiQk5NObCWv0nA8R1Av7sA5HNmyll3s1jNt_QqD0T65R5oM77Xyh4vZJa-1zvHxeT_py6WFO4blckDX2zmgIeOE6tWXeHMEqKibrk4ZrhIufod0wrZqUAmGirFldBCg_2oFI2bNfALbOJdYwas73t3T1A (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: ad3e6f5bc56cf5e363b7 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)