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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/4877/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: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlhuQTZhd0RzUW9nRzBvOGZHWUQtYm1WT2hUenlOOUstc3pWNW9OcUhza3ciLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo0ODc3LCJzdGF0ZV9ub25jZSI6ImZlZTgyNTBlOTFiMzNmOWUzN2QxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI0ODc3In0sImlzcyI6IlNTTHRpVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvNDk2Ni9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzgyNjEyMDc5LCJleHAiOjE3ODI2MTIzNzksImp0aSI6IjM4ZDdiYTM4MDEyYTEzMTE3OTQzIn0.Bodi1-XOnpLeryIO0RXX22e589ijAk_uS-_CFvzEJzfJbECh0XfC3S2cKAHZY7hUkt5MElKZ7ZkoKX27G1_I8dOo_DnIDd7wGTPFvTYSSRgl7qdYg_bqdx48WoGkObCuIUn0eN5G0FmHW57BmhrAy6Cz0uLf_CUhdC3WJ4gJ-SimRKZGdgrHQDDJ7Wqk868ptwJr_b3a8oV2DDcJohQWvhXGGj8EHwUVOEJ9QYbXDxVKDnLvDO2AJ-fau_32ZKJVtqCIFRCW1jNYn66I2StV3ULWgAcgykQvumoAyJ2Oai3zhcLSGmZMQR3UFd5egvJ9fd37iNWLm2o7xQXETbI7gA (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: fee8250e91b33f9e37d1 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)