Serilog.Formatting.Display.OutputProperties
Describes the properties available in standard message template-based
output format strings.
The exception associated with the log event.
The level of the log event.
The message rendered from the log event.
A new line.
The properties of the log event.
The id of the span that was active at the log event's time of creation, if any.
The timestamp of the log event.
The id of the trace that was active at the log event's time of creation, if any.
The timestamp of the log event in UTC.