Indicates the facility that caused the message to be generated.

TIdSyslogFacility = (
  sfKernel,
  sfUserLevel,
  sfMailSystem,
  sfSystemDaemon,
  sfSecurityOne,
  sfSysLogInternal,
  sfLPR,
  sfNNTP,
  sfUUCP,
  sfClockDaemonOne,
  sfSecurityTwo,
  sfFTPDaemon,
  sfNTP,
  sfLogAudit,
  sfLogAlert,
  sfClockDaemonTwo,
  sfLocalUseZero,
  sfLocalUseOne,
  sfLocalUseTwo,
  sfLocalUseThree,
  sfLocalUseFour,
  sfLocalUseFive,
  sfLocalUseSix,
  sfLocalUseSeven
);