Beat fields
Contains common beat fields available in all event types.
agent.hostname- Deprecated - use agent.name or agent.id to identify an agent.
type: alias
alias to: agent.name
beat.timezone- type: alias
alias to: event.timezone
fields- Contains user configurable fields.
type: object
beat.name- type: alias
alias to: host.name
beat.hostname- type: alias
alias to: agent.name
timeseries.instance- Time series instance id
type: keyword