[#BloombergLP-bdlt-Datetime-setMillisecondIfValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Datetime.adoc[Datetime]::setMillisecondIfValid
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:mrdocs:

Set the "millisecond" attribute of this object to the specified `millisecond` value if `0 <= millisecond <= 999`. If `24 == hour()`, set the `hour` attribute to 0. Return 0 on success, and a non‐zero value (with no effect) otherwise. Note that this method has no effect on the "date" part of this object.

== Synopsis

Declared in `<bdlt_datetime.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
setMillisecondIfValid(int millisecond);
----


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