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.eyJ0b29sX2lkIjoyODczLCJzdGF0ZV9ub25jZSI6IjJkOWJjMTAwZDM5NTBmY2E1NzJlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODczIn0sImlzcyI6Ik1pa2UgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzE5OC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzgyMzk0NTcxLCJleHAiOjE3ODIzOTQ4NzEsImp0aSI6ImJiZDE4MTFkNzc3OWM1ZjdlYzg5In0.28-rZujj6IVEeAwKn5e8jklpGK6ibcyKoIsB8Wn-rxasxz0ommEgZnIyUtXtdaB_l25Bqk6w9dLvX35Du2A3NsrcMF6t5zRFKRGvD8ZnEgeado-4yDV_nJgHGJOH1CQe0pT5qSKiz1lOImqT3yNFil41wrmnFPJcX9sERjRUdpwuI0Rnko7NAy_qGJ1AKD8JGDLoKo6kCIK-gIkhpkE1WEBNaO-hX_ORWj0gCWUcPIcknph-3qb1p9dFSTf_CfD4s9CO54xtE7MBb0tKnduEFE2Dj6WMcgkUi4RTaTkCUFxDotfu3ax1dEeDWxnzwE7bBMoVe5vHWmENBvKwvCqYfQ (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: 2d9bc100d3950fca572e (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)