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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2721/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: just a tribute (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImY4YkQtUElGNm9FQmlueVBGSnRVT0k0d3VTbXBQU1VaWXV0Z01fV3FEUEkiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6ImRmZmQ5NjhjNDFiNWQ1YTk0YWM0IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc1Nzg5NTY4MSwiZXhwIjoxNzU3ODk1OTgxLCJqdGkiOiI0YWUxY2NlNGUwM2U2YmU4NzU0YiJ9.GV2sBRRlF_ukiIQFAgc0hVMYIVUG1FVM8kGGRFJlsNnHi8gMAGgbZuxVOp-5yVNqEQH95suj7qWM5kYklqwcADA2RaLoPWRhuqiCj6j9IPLfl5NF0_1a9CnPGq5yh0D9s2LrNi4F_RSwezIIsz5QfM2DCbP4iCOjAULoMVIABEWmU4e7A9ed33Lpsis3ZCaPVgXiM331S09BgfYf6PRMuuFJdnXZBDaW4v2jK5h2jpzPVhS2Fy_my0fsfLxSOpuMmNSoDFYmknqsV50ctOkiBjffKcP5Uc6-gPtpbKwmR6KH_cev5BHQXep5cAHJdImMJXAu2i2-WRPFVrn-lYHZ1Q (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: dffd968c41b5d5a94ac4 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)