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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/1888/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: 1234 (required, client identifier valid at the Platform)

scope: openid (required, must contain the openid scope value)

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlhRc3VJalR5NkNGdWUyaDBEQUFybVA4S0I2Uk1PMlJUQl9ZRXNJS0NVaEUiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoxODg4LCJzdGF0ZV9ub25jZSI6ImNkYzg3YjZmMDg0YjNhYTE5N2ZiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIxODg4In0sImlzcyI6InRvb2wgZm9yIHRlc3QiLCJzdWIiOiIxMjM0IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMjA2MC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzY1OTE0MTc1LCJleHAiOjE3NjU5MTQ0NzUsImp0aSI6IjdhZTNmYjU3ZTgzMDJhMGFmMmI3In0.dEscfkR_O4-snr9pwhkun9Wlw94nBGLErIFIN0PrSnPZuYTEeKwbz5izg4a0oP4nfroe8bqHa7fM2QdD8lzJfPzCL2RIswOIlCcLtNMlEhvu9ael0aGuk4_L4o5g2sIW2h68vjajdUGVwbqjkYkV5eeV5dL6Iukptz_oPPXJZQWkVTfRut9zlKRuP_7f6Jc1gB-sKI7viM2hQtHX-tuJpQ-d0yPsvM9ct3pQDvNnJpH9BXThbaKZi0p5z5HDb1mzW6Ve8LDD_QkHQnSjTUzA-yjGAiiDpEbtFvbuRyu4Iotg7XXmOnwdiRxld9qObB6AMXJnQMPFH6OI4P8bxyJesA (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: cdc87b6f084b3aa197fb (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)