[#BloombergLP-balm-MetricsManager-setCategoryEnabled-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balm.adoc[balm]::xref:BloombergLP/balm/MetricsManager.adoc[MetricsManager]::setCategoryEnabled
:relfileprefix: ../../../
:mrdocs:

Set whether the specified `category` is enabled to the optionally specified `isEnabled` value. If `category` has not been registered, register it with the `metricRegistry()`. If a category is disabled it will not be published (see the `publish` methods), and higher level components may not record values for metrics belonging to the category (for an example, see the `balm_metric` documentation). Note that this operation is _not_ atomic, and other threads may simultaneously access the current enabled value for `category` while this operation is performed. Also note that this operation has _linear_ performance with respect to the number of registered category holders for `category` (see `balm_metricregistry` and `balm_category` for information on category holders).

== Synopsis

Declared in `<balm_metricsmanager.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
setCategoryEnabled(
    char const* category,
    bool isEnabled = true);
----


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