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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/5231/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: 12345tak (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImNUU3ltSGNIT0hWMWxCUlpzNFhnTFpRLU5YdFpCdTBma0M5WC1MLU12ZGsiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjo1MjMxLCJzdGF0ZV9ub25jZSI6ImI3MWE1NmI3MjlhMDZiMTY1NmNlIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiI1MjMxIn0sImlzcyI6InRhayB0b29sIGphbiA5Iiwic3ViIjoiMTIzNDV0YWsiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy81NDIxL2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3NzA0Mjg3NzQsImV4cCI6MTc3MDQyOTA3NCwianRpIjoiMjA1YzAwMDBmODVkYjM2NDlhZDkifQ.ZKdS3N-fY9BcitX_EE-XHh9PUI79vFCEAzxccrg1rinqX2N7JhNylBrHjDLVTS5-GXHPmh-3oeqjTtx2a0oSHRk9X5FaHs6KDq65f4GPMCBD26UCgRpL1OZI5xSYVD_IZ2ZtAd6-fz5-LcsHDxi7wJFJ7KGvLZ8Cogej1ZvOilG2zZRoYf5qA2phIsTmbmcn6TnN9G3eGvurPu4dO4rcpd-FUwQCWA-BFZw7tD0MI8eW2TqLtplPBfdq_hd9zX2T1W3qJ2MzvUCjnR7OFFuCHu_7qjEeI-q3vxJLSyHwhHbV36oUguIiyt1VBEcqPfpIxu9W4OpFsQPb4JfPWnVuUg (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: b71a56b729a06b1656ce (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)