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.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6IjBjMjcyMDE0MDQzNmNmMjQ2YmQ3IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc4OTM2Mzk2NiwiZXhwIjoxNzg5MzY0MjY2LCJqdGkiOiJiZmQwZDI2ODYxNzMzODBjNGRlNCJ9.H2_CFVoaoCfP7AO-1nZudU2g5b-0Nm0sMDWhOM2T02urMCoUnTKUFIfXjwS9DdRknhBNGhgTSI9vnbA9WYq0hiIPVu9H10Jhf5tG5j8UCjNHQuw-nTORbpkeu9J1J6kUJzSz9a0GvKiTDzDwmbOu573Dyvcv2qRsFmW2CbG8qoN-koqDPmw-XtUnFp94kA5FOlRow3RpD8s3vFDwJDIxI-M7gu_qcyW3je_-yGQZNO8v6PruTg1Q130noIv3b76XNd1EnZi-weGcyMvzgMZZPGKq_fTMHrWUBAznJMkB5yni21_VDfUujzVsQgtNvG8IdP_Sqolyu6c5aXiA1XTijg (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: 0c2720140436cf246bd7 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)