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.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6ImExZTA2NWM1NDdjYzdkNTVlZDdjIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4NTA0NDc4OCwiZXhwIjoxNzg1MDQ1MDg4LCJqdGkiOiI1NjhhMjMyMTNmYzA4MDI1MTFjNSJ9.FwAcOKa_beMN9YkRfViz8lAz6Uz7HxLQrXH_Ckv3E3-IzuNmVgvaDSM-U5xeB3ZMs5U17AHdcregy14oskqckBPWc8DaQ9eMNrZqLTr3f_b--Kia_yEnmGAAGkFrIAF4_L8TUpithI603X44KsQQdEeYDOaJSu-v4maDVAMicFqVEEynlTHNlzF9FDBiGN-LjZKI95HJDzooxfMKPpcw4fsmlq4pajgauzk4mNrVlKid0SYUH2jO0r_k4T3V-oO-5_nKHnLe3talC03UtsbMytbMA_N5sw0MdcO66ooRV0uavk5_Vv6Owb6P02tqjrKCq0IjxYVq89TJ26PjxGwuaA (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: a1e065c547cc7d55ed7c (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)