[#BloombergLP-ball-DefaultAttributeContainer-hasValue]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/DefaultAttributeContainer.adoc[DefaultAttributeContainer]::hasValue
:relfileprefix: ../../../
:mrdocs:

Return `true` if the attribute having specified `value` exists in this object, and `false` otherwise.

== Synopsis

Declared in `<ball_defaultattributecontainer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
hasValue(xref:BloombergLP/ball/Attribute.adoc[Attribute] const& value) const override;
----


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