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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2218/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: 12345 (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Im1rNjdITEJrUEwxZ0U3SXdTcWNSSEFla2owX0xwcm9XMjJaVGZWb3o1VE0iLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyMjE4LCJzdGF0ZV9ub25jZSI6IjJlZWM4ZjIyY2NlMDcxY2I0YzIxIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyMjE4In0sImlzcyI6IlVuaXF1ZV90b29sIiwic3ViIjoiMTIzNDUiLCJhdWQiOiJodHRwczovL2x0aS1yaS5pbXNnbG9iYWwub3JnL3BsYXRmb3Jtcy8yNDc5L2FjY2Vzc190b2tlbnMiLCJpYXQiOjE3Nzk1OTQ3MzgsImV4cCI6MTc3OTU5NTAzOCwianRpIjoiM2Q1ZDgyNTE5MWQ0YmE5ZDAyOTkifQ.XW_eM-m7pEW7tIGnCh7792Mg-yACLJDhWprIoLZg6609fjHNbFaZXHFmXRyv0EPaIkdxyNSMXjm9auJuvNxEFsUklRRfl9o4iKe5WqzQMOsRtGjWIRoIrydSJbLZiKB52jIQSOA7azp7wh9slTzlWBJty6lGWI3OPN4vFwaDJjwD1smwA7cIN2ikUfxy92IMgriqgm4pEmegi3HsU86fK8r7PcpPhnHDFwitRvt0-eDSFQrAczLvK57W2UCLBFfFxxGP9clBHnUo-yPOCUZbxIAsR2KcA8JOF_N2-sy9S2xJvkKsXmz6uodTIs1pds5GCGmqbs-YR9ER8AICnTRqgw (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: 2eec8f22cce071cb4c21 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)