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.eyJ0b29sX2lkIjoxODUwLCJzdGF0ZV9ub25jZSI6ImY3MDc5YzFjY2ViZDA4MWQ4NzYzIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODUwIn0sImlzcyI6IlN0b25ldG9vbDEiLCJzdWIiOiJhYjIzNzg5ICIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzIwMTEvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3MjQ5MDAwOCwiZXhwIjoxNzcyNDkwMzA4LCJqdGkiOiI4NjM0NTRlMzRhZTZkYmI2Y2UxNCJ9.dJ39ugumfjQxY9jHL_98suzE4wKnPujK9irCohe8JwkH330Nb3pJTapN8kh7OQhmCxM6cE1G52dCNmNDJ07uqBTkVj1eK0XeUHh6U083J-vIF-7n04WDC2Vv7gBbXuLd1odSbkC6LnarwJIl_XoOUtnpQeHiwfumgY4LbDCE1nUJ-iT8KpW-b4CsItw-Wj55gqmIj1SXPs5--vdvNnETnG_tWqiQ5zXQNv_npLv4P5Jtz5CaqY7sDI_lD1fqci4y_jMNsGuQyi7INha8DbyLu0U8wHBVS0Mnl6HOKtKupgSdHlMK8uL7w4-o25zinJ7v9aFCLt0Zq1grF8stugvuKQ (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: f7079c1ccebd081d8763 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)