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.eyJ0b29sX2lkIjoyODczLCJzdGF0ZV9ub25jZSI6IjEzNDA5YjVhZTM0ZDQ0YjVkMDU4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyODczIn0sImlzcyI6Ik1pa2UgVG9vbCIsInN1YiI6IjEyMzQ1IiwiYXVkIjoiaHR0cHM6Ly9sdGktcmkuaW1zZ2xvYmFsLm9yZy9wbGF0Zm9ybXMvMzE5OC9hY2Nlc3NfdG9rZW5zIiwiaWF0IjoxNzc4MzgxMDAxLCJleHAiOjE3NzgzODEzMDEsImp0aSI6IjQ0MjFhZTlhZjc5ZDA1OGQxNjg4In0.ppZF6_dx1kaC3IakTTmTMF9_GxGLR6BWjzlnQLLhDlar5a6_cnoBX_V2Bq6WeleALDIMvq54eFXduCQX3MpLPgZKjMh76hsGcig-9vwHMz-uSE2ABfRBYqzsegkJDROTtuHnq9A0OcCfhaY_HH3gqlSe8Ci2okEM-PehE_Vhq7DsoKKR25nHskq-cbDTT8Y7jyKK5zVTGuid2A9WkeZ2Bgy-lfAQ6D69r8th9eLcZWTP8PgbkUCT0NG9trQjhefmnd4jIzjFW6XSRoYH0hyBZoHKO2KNXb6Kj3FGa3-FXhObBXk0Yk_LYDhfs4T58MbuJcoYOSCeG0wIVo22NAfOuw (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: 13409b5ae34d44b5d058 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)