[#BloombergLP-ball-LoggerManagerConfiguration-setUserFieldsPopulatorCallback]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/LoggerManagerConfiguration.adoc[LoggerManagerConfiguration]::setUserFieldsPopulatorCallback
:relfileprefix: ../../../
:mrdocs:

Set the user‐fields populator callback attribute of this object to the specified `populatorCallback`.

== Synopsis

Declared in `<ball_loggermanagerconfiguration.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
setUserFieldsPopulatorCallback(xref:BloombergLP/ball/LoggerManagerConfiguration/UserFieldsPopulatorCallback-09.adoc[UserFieldsPopulatorCallback] const& populatorCallback);
----


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