| Job Type | Purpose | Example Payload | |----------|---------|----------------| | | Install a new APK (Android) or TAR (Linux) | Payment app v4.2.1 | | Update Configuration | Change TMS URL, merchant ID, timeout | tms_url=https://acquirer.com/tms | | Remote Key Injection | Download a new DUKPT Base Derivation Key (BDK) | Encrypted TR31 key block | | Fetch Logs | Retrieve application or security logs | Audit log last 7 days | | Execute Script | Run a terminal shell command | reboot , factory_reset --keep_ismp | | Certificate Update | Replace expiring root or payment app certificate | New .pem file |