[#BloombergLP-ball-CategoryManagerImpUtil-enableRule]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/CategoryManagerImpUtil.adoc[CategoryManagerImpUtil]::enableRule
:relfileprefix: ../../../
:mrdocs:

Set the bit in the relevant rule‐mask at the specified `ruleIndex` in the specified `category` to `true`.

== Synopsis

Declared in `<ball_category.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
void
enableRule(
    xref:BloombergLP/ball/Category.adoc[Category]* category,
    int ruleIndex);
----


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