[#BloombergLP-ball-FileObserver2-rotateOnTimeInterval-0d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/FileObserver2.adoc[FileObserver2]::rotateOnTimeInterval
:relfileprefix: ../../../
:mrdocs:

Configure periodic log rotation with the specified `interval` and `startTime`.

== Synopsis

Declared in `<ball_fileobserver2.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
rotateOnTimeInterval(
    xref:BloombergLP/bdlt/DatetimeInterval.adoc[bdlt::DatetimeInterval] const& interval,
    xref:BloombergLP/bdlt/Datetime.adoc[bdlt::Datetime] const& startTime);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *interval*
| periodic interval between log file rotations
| *startTime*
| reference datetime for the rotation schedule
|===


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