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.eyJ0b29sX2lkIjoyNDU0LCJzdGF0ZV9ub25jZSI6ImY5Nzg0M2U5OTIzYTU2MjM4ODk5IiwicGFyYW1zIjp7ImNvbnRyb2xsZXIiOiJsdGkvbG9naW5faW5pdGlhdGlvbnMiLCJhY3Rpb24iOiJpbmRleCIsInRvb2xfaWQiOiIyNDU0In0sImlzcyI6Ik9QRV9tZXhjYnRfdGVzdCIsInN1YiI6Ik9QRV9tZXhjYnRfdGVzdCIsImF1ZCI6Imh0dHBzOi8vcHQtYXMub3Blc3lzdGVtLmNvbS9hdXRoL3JlYWxtcy9wdC1vcGUtcHJvZC1jb21tb24ta2V5Y2xvYWstcmVhbG0tMS9wcm90b2NvbC9vcGVuaWQtY29ubmVjdC90b2tlbiIsImlhdCI6MTc5MzExMjkwNCwiZXhwIjoxNzkzMTEzMjA0LCJqdGkiOiJkNGQ5MTBiZDhiM2NjMWIyNzAzZCJ9.RiEsc69nMLpBbRPHbj4PfuroWGTsxrix5RDyzZ2Bu7-jjVNfs2YBpsc2e5DGtWfEOOU1HdKgi2kTL39igDqcR79eaIU6lkXdSsYEDKq0K2hWcWoj9D9ueOJ0rYY4nsx_Kfu_OEtABfhyyBU71TbnK6WHbEn8QgBop5mWgsaETkYjXWb4KRcQ277bJk52RNjNygtFxsxapIZOUahpzJ9wUqu4_S21QtjWK6AUFZOVQyApqA6wvJihVp60PBj3uHYqChsdzQC7iB4GCp4Pn5Ya2nwJsn0QmtydhzN906-3ij2wuwvmfHf4AOizLisEhz7iwj6VHTB9CkZcy-bv-iaJsQ (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: f97843e9923a56238899 (optional, string value used to associate a client session with an ID token, and to mitigate replay attacks)