[#BloombergLP-ball-HierarchicalCategorySetting-2constructor-0d]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/HierarchicalCategorySetting.adoc[HierarchicalCategorySetting]::HierarchicalCategorySetting
:relfileprefix: ../../../
:mrdocs:

Create a hierarchical category setting object having the specified `categoryPrefix` and threshold levels from the specified `levels`. Optionally specify an `allocator` used to supply memory; otherwise, the default allocator is used.

== Synopsis

Declared in `<ball_hierarchicalcategorysetting.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
HierarchicalCategorySetting(
    std::string_view const& categoryPrefix,
    xref:BloombergLP/ball/ThresholdAggregate.adoc[ThresholdAggregate] const& levels,
    xref:BloombergLP/ball/HierarchicalCategorySetting/allocator_type.adoc[allocator_type] allocator = allocator_type());
----


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