# Method System.FSEvents.EventStream()->flush_async()

Method flush_async

  ``void` flush_async()`

Description

  Requests that the FS Events service to flush out any events that have occurred but have not yet been delivered, due to the latency parameter that was supplied when the stream was created.

  This flushing occurs asynchronously -- events most likely will not have been delivered by the time this call returns.

Note

  Only call this function after the stream has been started, via start().