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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/3539/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: cgp1234 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IllITzE2SkxjaldxLWVIbTN5eEozQ3d4eWxhUDhMeEJHZE00N0NjTjJYZk0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjozNTM5LCJzdGF0ZV9ub25jZSI6IjI0MmMzY2RmMDBjODliNTczZGY5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzNTM5In0sImlzcyI6IkNHUFRlc3RUb29sIiwic3ViIjoiY2dwMTIzNCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM5MTgvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc2NjA4Nzc1MCwiZXhwIjoxNzY2MDg4MDUwLCJqdGkiOiJmMWI1OTExMzg1MzUzZmIyNjE3MSJ9.IcNDPf6e8xTevxx9ERGKwxEKihg7DX8tJ91I_1ArV_Nthj_hsgWVkkKlMRdN2pJbPtPl6KAoYTAGyds6D4dULe9VLraVvXf09kEpGlaMo_405rDVgXegytlTpNWG6dj89F6Jy1OQBQeWYYPBcoWt5zpW1D5DHzq4o0N45z70TZYMtz3m1zdAKXYPmluko3T7N_zvV-WurogvEGH-sRA9RV_3j4UHfzI9gKnvHzDvpDnOAIA6C6PdpwddlpW-hGnpofRkeYR4Na2JEc6J-hy-Ee4SWsQIXY2uSDqxeIBvCmlrg7YiWTIckvS5dpWUjCTOKjWZh0cX5tmM3Lkvr3FNGg (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: 242c3cdf00c89b573df9 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)