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.eyJ0b29sX2lkIjo0MTI5LCJzdGF0ZV9ub25jZSI6IjlkYTI3MDVhYjQ1MTI3NGFkYWU0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0MTI5In0sImlzcyI6IlBlYXJzb24gLSBTY290dCBUZXN0IEFHUyIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDMwNi9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc0OTM1MzY2LCJleHAiOjE3NzQ5MzU2NjYsImp0aSI6IjhhZWRkMzcxZWJhZjM4MTA4Y2YxIn0.dFUL0KOjfprzpKqVmHIGO6S2868Asezocn_uiLkl8ZtxytvtskIqyEdfJccBul0pfpFhaC8H-rihFmoCKGWJHT9r37HIw2bNv71aq2xh4buUjdgMJHTbAUl8-UkTqCH-vs_2xg3uxvKyHz9d28vgMXybRK0GDwCTOyjkEAXS7h2e_87bgldnN8pkwC7vhw5u7k5e8Zbo_D-NpURcOEmqnYyMms2-FLRet5WoeNLT9BEcGhXYhn8ScByBp29hwp6g3pzdK7uLs1h5DXuTTfvSOmDt56GZR5DTqzi7JsPp4yNb6bOhP5kJfclEqWlNsQgBwRUN9CELqtzf6rHk91yl5w (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: 9da2705ab451274adae4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)