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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4812/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: client (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ikp2VHpaNjFfdnJJUmJMNUU3TkcxdUxFczg1TWRyU3pHVUlBc1dzVXlsYWciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODEyLCJzdGF0ZV9ub25jZSI6ImE5N2MxZDQ0MzgyNjI1ZmFmN2ZkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODEyIn0sImlzcyI6ImZyYW5jbyBsb3NhIHVicCB0b29sICIsInN1YiI6ImNsaWVudCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzQ4OTIvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NTI0Njc2MywiZXhwIjoxNzc1MjQ3MDYzLCJqdGkiOiIwOGNhNWM2OWQxOGQ4ZGFhYmQxMSJ9.zWW5WszutCg13v9lJFKUY7SsvfvyvPYWgb_3IX2j-K0xhktmoEl9qL1NAnSZIVXmh9jptxszaXKirhSo5xPRUIkXiG94291GXo3ExjUiAdtQB0dGPR38mXpZ9VZ3OrtY415Lk_bcP-oSGegu-Tc5ONkTJFHUdHKfE3KoPvJGog3hF2cGTxBnR9PYjJLN0nvo5Yr6STGIQw_cujhhEp6araLv3lthUF_iRHDSWteCXgZC99IfMXpGOUZiIRzayK_YO3OhoU3BpZ4_yIfqAvroVGZ9uiaaWPuJ-GCM0rkLUGaFQCcHaf3ay-zAfxH_CEbs23E61iFy5nZJwj8vDqOwRQ (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: a97c1d44382625faf7fd (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)