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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1821/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IkNYUGpOdVlDVjVwWXFKUmpaU2FURzNyQzlZUjEzcV9tOVRTSHlwTXNKQTAiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODIxLCJzdGF0ZV9ub25jZSI6Ijg1YjdjNWNlNGI2ZDBlZjZlZWRmIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODIxIn0sImlzcyI6IkxhbGFuZGUgT3B0aW1pemVyIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8xOTcwL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzcwOTA1ODcsImV4cCI6MTc3NzA5MDg4NywianRpIjoiNjc0YTJkODUzMWMyNTQ5MjkxNzUifQ.GcFRP2yuSYm2sXUNKaZ6pV54JFZMBUzSvHqOHxbsPRyN3vxS5La9vlIH4wAcFtFleWmO-Ata4w1s3fW7LxlcEdEhUfHSmZpxzkfFnbiqjBehR2QY1DKC87jVT243WPlhdaWiWeG0Osltt0QkAF_-kQRekBqE43DJIUu8c_DOvIAI6BSLQfzZfW2R0R-QuD7ERcwBOWoma7wQVl7Q5t7heI2mBFeKPwgQIewhoHIU1MJPU-iGzQkCs2aLltMPrn1p6dAjmWUb9y2O_t5O1xcd5Zf_z7h8HSnYS6C09Zu-Me3kDNosqCWfdqEdHB17JCyTnmEevxcoB7Ja011MNdd8YA (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: 85b7c5ce4b6d0ef6eedf (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)