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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1850/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: ab23789 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjN4UHNoYUJrRy1rWUVscjY0MHVDYTRyZnJNNlhEQmlJU1hJQl80WWFSaGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6ImRhMWNkNDRiOGRkMjQ1NTc5ZWNkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc5MDE0NzgxNCwiZXhwIjoxNzkwMTQ4MTE0LCJqdGkiOiJlNzAyYjAxMWUyNTNlZWE3NTA0YiJ9.SzJwrt9KpFjHST6XyS1qEr7b3V6eqJTxJt7WaZbBoz_t3XpKTztCMNVmbaRX82UwmuCh2S5GTKcw5MOScB-Qs_uF7AnVIItOMFRmvFm7hU0UHoEoMdmhLUytFziiLu06wZzcn103IxGGpO92uJHOY8IDR8Ss1PFDwwWX1aev5y_-NGZELk4TdIL1eQRd2Et9MNJkSGypde-0YGaFVHneaIjWqIzymIAnGwx7IQusEfBBD6boLi_KORi-qj9W95PLm9U5V85zZG_FAY-WZdKnxBDXZ54ZszzumdlN73IMgtb2p_LQTCkjV1avvLxB8qR_kCFshTI8qDYwhiUAL6-kYw (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: da1cd44b8dd245579ecd (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)