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

redirect_uri: https://lti-ri.imsglobal.org/lti/tools/2454/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: OPE_mexcbt_test (required, client identifier valid at the Platform)

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

state: eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlNzbmlOdFZvcm5ZV1NBaU1hejRFLW0tbjBUMFNoSmRDVW14V3JUckxPc0UiLCJ0eXAiOiJKV1QifQ.eyJ0b29sX2lkIjoyNDU0LCJzdGF0ZV9ub25jZSI6ImQ4MmY2ZWNmYjE1YTc3NTRjYzBiIiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNDU0In0sImlzcyI6Ik9QRV9tZXhjYnRfdGVzdCIsInN1YiI6Ik9QRV9tZXhjYnRfdGVzdCIsImF1ZCI6Imh0dHBzOi8vcHQtYXMub3Blc3lzdGVtLmNvbS9hdXRoL3JlYWxtcy9wdC1vcGUtcHJvZC1jb21tb24ta2V5Y2xvYWstcmVhbG0tMS9wcm90b2NvbC9vcGVuaWQtY29ubmVjdC90b2tlbiIsImlhdCI6MTc3MDUwNDA1NSwiZXhwIjoxNzcwNTA0MzU1LCJqdGkiOiIzODMzYTdjMjI3NWYyYjMyMTJjNiJ9.gT66Xv7WtlniVXOcJS2H9UsJETYefASju-CRB-dIa4ZNOmJcyY5QbURDOAQKcYywBdVohjib92nKI2IzphouLMnEdbFktIwdPFflcpk-bErV8StHolOHLQV9yS7MzLWd4OKEb6o3-REltLAOvqjiVIuNsaTjWPkQp_6waetJMqLzjXdalVMKG-xAhQpd4hEHuf2GCxeKbYY0X47BhvZal68sm9LhNlZsG9n9Ot954VLqqSldZvVQBK5_M5xklZUZFZ2_pmhffUsaweEnck-DSu1wM38yts8bTiGpSezssVvJwu9uDgNn3WWdZ0XeFClFHVdIjr74coo4PQ3e4nqRow (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: d82f6ecfb15a7754cc0b (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)