OptionalappAPP-NAME override for this message.
OptionalfacilityFacility as the enum, number, or lowercase name; defaults to user.
OptionalhostnameHOSTNAME override for this message.
The free-form message text (a leading BOM + UTF-8 is preserved as given).
OptionalmsgMSGID override for this message.
OptionalprocPROCID override for this message.
Severity as the enum, number, or lowercase name.
OptionalstructuredStructured-data elements, or omit for the NIL value.
OptionaltimestampTIMESTAMP as a Date or pre-formatted string; defaults to now.
A single log record to format and send.
Only
severityandmessageare required. Absent fields render as the NIL value-, exceptfacility(defaults touser),timestamp(defaults to now), and theappName/hostname/procIdsession defaults.Since
1.0.0