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.eyJ0b29sX2lkIjo0NjIxLCJzdGF0ZV9ub25jZSI6IjQxYzNkMzMyOGNiNjY1MDgxZTU3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0NjIxIn0sImlzcyI6IlRlc3QwMSBUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy80Njg5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODI1ODM3OTQsImV4cCI6MTc4MjU4NDA5NCwianRpIjoiMzM0YzVkMjllNGM4ZmU0ZGM1YWQifQ.BaG07QR5mViN3bA65_4NEJWvvlc541s0TvBu5uWY-wDGgd7bOs_Hvg1I6sZh0qGwlWv__Bx1tk0e19hC7WAPrkzXcDG2B0ixXsHAzwyeWptviHORhPlszf9e20DGVxHVuRmVV3QMSsN9rYO_ul-qfLmiWKoo1NWreWdSxtCUTok3owxggIze5GS5Eqx4mo1gxtbJ8qGXxzrUSShIqfBl0LWpSCBKoo0Vb08MDbYX-QQ5vDvdPfV_obDG_5z6FrmziIzIUZ0bLwB86w98kWkAha9iE08DfAcNZ-OUZYnAndOce1PriqHiVA5UTq3d8RlYf1qP5584gs_djXgU5q71Zg (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: 41c3d3328cb665081e57 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)