Event fields

Observation time, message and severity for each event.

Field	Type	Unit	Meaning
t	string	timestamp	When the thing being reported was observed. For an occurrence this is when the fact happened, not when the agent found it.
message	string		A one-line summary of the event. Read detailed measurements under sparklogs.data.<topic>.
severity	string		The event severity.
service	string		The ticket class the row routes to: its reason's service when it has a reason, otherwise its topic's.
__autoextract_disable_extract_fields	bool		Disables field extraction from the message. Measurements are already provided as structured data.