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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4129/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6InE5QjhpV3VJYk9CVzhOanUwVHBQVVZaVDVtUHJpU05sY3JiQ0F0UkJLcWMiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0MTI5LCJzdGF0ZV9ub25jZSI6IjY5NTEyMWE3YWFhNjcyOGMzMzIyIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MTI5In0sImlzcyI6IlBlYXJzb24gLSBTY290dCBUZXN0IEFHUyIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDMwNi9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcyNTgyNzU4LCJleHAiOjE3NzI1ODMwNTgsImp0aSI6IjRmZjRiY2FhMWE0YTFhNzk3MmE4In0.gFBlf2ND6RwQyM-E1qr5WAnsvgEXofFOPL928qojfF7lzXnCk51OP8OqVeYrfiLJ9M5U-qaMWS0W-TWHHthzZmwTSwC24liGVmVAz6rMUz8A0RzSmNMZmCebaFRKLV_MnKyc5Ep_QRQtG_4RgqP8-9AyNekcVMo28MpeHoFY_QypM74r6XQmVEMjXBaxvTfN-YC5R90900qlR7Okt8GP9aG-WY-3q-HPv01l6uXbn9dn_B8ep5mFipLBao1bslwXI29AWcva3V73jZgHCNpDx08B9nAqmyKG7jQEsWHIPGsNjvwhrzj6HQC4N8CslkAq1IA6fO89xWokHQkxIyffgA (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: 695121a7aaa6728c3322 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)