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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2873/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImVCYVBSMDNzWHRrNHEtQjJTeUFCUlZHLVc5OGtKeEozYmdxcndfOUw2Tm8iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyODczLCJzdGF0ZV9ub25jZSI6ImEwN2JiYTI2ZWU4NWY3N2ZmYWJiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODczIn0sImlzcyI6Ik1pa2UgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzE5OC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzcwMzM1NzU2LCJleHAiOjE3NzAzMzYwNTYsImp0aSI6IjQ2NWRhNjQ1MzBjN2FhYWMyMDNjIn0.YqXRb_iID87cMPJ41J2auhxBqSHz0v8AZVJSusm4HULxUJ5_z6-MOHws7Oww0A2SlhfmdLybFsAOYQCUdQtZerQBRKQpnpdzj192OCkW0Q9RYxPvhAwD5SY7ZcRv6DcIOrHdCnrQDbTgZJ1xRRkzkPkRymOINFBhNrypZbRw3TDzpI6unoB5RJtg-wIeGAKBPzj3onmqhDmBiOL-KZ8WzqLLhhZsuZaecVGPsMRzFutEFOlAmUsGx76WsxfzkVyEAp6SIewoNTKB37JG_EPft4vM92Ad7xZoBm3ltKWQt3ePDkoSZ0Z-rIGDR8QM_-e6M6MdFuulc3QqmLGCrb2HRw (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: a07bba26ee85f77ffabb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)