RENDER_ECS

Render a LogEvent into JSON in Elastic Common Schema for sending directly to an ELK stack.

It populates ECS fields as follows:

• timestamp ->@timestamp

• host ->host.name

• logger ->log.logger

• level ->log.level

• message (evaluated template) ->message

• If stackTrace is present:

• stackTrace ->error.stack_trace

• message (evaluated template) ->error.message

• context (if present) ->context in labels object

• items (if present) ->items (object)