[#BloombergLP-ball-LoggerManager-setCategory-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/LoggerManager.adoc[LoggerManager]::setCategory
:relfileprefix: ../../../
:mrdocs:

Add to the category registry of this logger manager a new category having the specified `categoryName` and default threshold levels if `categoryName` is not present in the registry and the number of categories in the registry is less than the registry capacity. Return the address of the (possibly newly‐created) non‐modifiable category having `categoryName`, if such a category exists, and the address of the non‐modifiable _Default_ _Category_ otherwise. If the specified `categoryHolder` is non‐null, then also load into `categoryHolder` the returned category and its maximum level and link `categoryHolder` to the category if it has not yet been linked. The behavior is undefined unless `categoryName` is null‐terminated. Note that a valid category address is _always_ returned.

== Synopsis

Declared in `<ball_loggermanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/ball/Category.adoc[Category] const*
setCategory(
    xref:BloombergLP/ball/CategoryHolder.adoc[CategoryHolder]* categoryHolder,
    char const* categoryName);
----


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