[#BloombergLP-ball-CategoryManager-setDefaultThresholdLevelsCallback]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManager.adoc[CategoryManager]::setDefaultThresholdLevelsCallback
:relfileprefix: ../../../
:mrdocs:

Set the default‐thresholds callback to the specified `defaultThresholdLevelsCallback` if it is not null, and remove any existing callback if `defaultThresholdLevelsCallback` is null.

== Synopsis

Declared in `<ball_categorymanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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void
setDefaultThresholdLevelsCallback(xref:BloombergLP/ball/CategoryManager/DefaultThresholdLevelsCallback.adoc[DefaultThresholdLevelsCallback] const* defaultThresholdLevelsCallback);
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