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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2503/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlV0OWc1cWcwY0NYSkZGYkxrVUo5OE9Kei1OOEhOVC1uWEJ2Rm4xZDFVOGciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNTAzLCJzdGF0ZV9ub25jZSI6ImQ1MDc2MThmOGVjNTVlNjRiMzFkIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNTAzIn0sImlzcyI6IkxUSVRlc3RQbGF0Zm9ybUZvclB1YmxpY0FuZFByaXZhdGVLZXlUb29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yNzkzL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3ODc2ODI2ODYsImV4cCI6MTc4NzY4Mjk4NiwianRpIjoiMmZjY2FiYWEwMjNhNTExODdkMjEifQ.ZkW4b6JQIzXg8duUI4T4zYs4_Gh40pSdikXXVMiB7vVzvL1l68Fll2ZWa_IR0TbStNYSSiNT7wUIM6aQF7ikhJXgdHi5KjTqxzIPNXlAcEACkvtvv4knuuT48bTBGskmnxuzsq0RafmCgvFvv9qQczerQNeK0tK1iHTjHm-exvCfbnqXPuHvdx_Zw6ZXPjpHJ67R2m3YwLQu8ljQbhn5bI3b_F0ciQUCSxmSsrxFG2t-mJGtZRWU1lEsosq-JsNMXvu62n7IyoTKh1TytNyFHZc2LVgqSqmNo2zeLHxtiRMs3q2aTDuiZPdsAdYV9dEOrfCP-ufSKjH04wRVvBdBjQ (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: d507618f8ec55e64b31d (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)