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.eyJ0b29sX2lkIjozNTM5LCJzdGF0ZV9ub25jZSI6IjE0YjE1Nzk1Mzg1MDNkZGU2MjBkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIzNTM5In0sImlzcyI6IkNHUFRlc3RUb29sIiwic3ViIjoiY2dwMTIzNCIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzM5MTgvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3OTgyMzQxNSwiZXhwIjoxNzc5ODIzNzE1LCJqdGkiOiI2MzI0MDIxNjBkYTI2ZmE5YjgyMSJ9.XAVGdTM-K9bO2OAos8M-HJfkF9CEdABeYodYRCA7-yOixwe5dPbkKb65R5UnvHukHjvY72tY6Sz1lWmXNPqMSS2Ak2jGpNtSEgaBIEyZY04GV6-Vq_bB8qgHUadWObojaTmbN6eYqxEAE3YVkeTnxSIJ9jTwBu3LAaArgN1PjGfE6Ohksh2Fosp6dWnXBdXy_bUzz3zFDbzRM3tk9mb0RCgCA6xP0hJxP13Gh12Fnver-ZYiO8qTwR5Sj_eJd2XU-jhu65tHVneOFbEUqBkhMAGyZEkHf0wIUyqnLE-YJeVusUlFuxMA3JzQoUrjTIiG-Tu27IoKrAgYkGGpsuyhnw (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: 14b1579538503dde620d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)