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.eyJ0b29sX2lkIjoyNzIxLCJzdGF0ZV9ub25jZSI6IjkxZDY3ZGE5ODRiZTg3MGQ0NzQ4IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNzIxIn0sImlzcyI6ImRlbW9uLWNvZGUgbWFuZGF0ZWQgcm9jay1vZmYiLCJzdWIiOiJqdXN0IGEgdHJpYnV0ZSIsImF1ZCI6Imh0dHBzOi8vbHRpLXJpLmltc2dsb2JhbC5vcmcvcGxhdGZvcm1zLzMwMTYvYWNjZXNzX3Rva2VucyIsImlhdCI6MTc3NTk1OTU1MiwiZXhwIjoxNzc1OTU5ODUyLCJqdGkiOiIwMjY1NGY3NjVkOTkxYzhmMzFhMiJ9.JMTtxwgS-REblVusHybToypWL6c0h2doJ_lFwex03q5ahsq6mRnVWV9c0ZMxgwOpv2IJVYCu0pTvnKB0f5Xap1EDLGm8XJZbF9x2yx102lZ7As5RptEfC2hseKxC2o3haODTK1pjPuOaR4MB6NcKGV9jTwSAy6DlzcgvClDrtAEvOrlkdkH6Y6YIv7fzAmLCRgXxWKz1Z6Vu1oqhe0joTjsWgGvhdcPpFHvLQoecOTv-7oS_6bu2hFedyTM6i1C66YxSNWuLRYz0w7dSRCHbWOmkruXamZKAImRSUHxHLN3593KPTg4JBWjC1MMuoEDd5FSuu1p9zo4gbvoMT1SjRw (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: 91d67da984be870d4748 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)