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

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

== Synopsis

Declared in `<ball_attributecontainer.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
bool
hasValue(xref:BloombergLP/ball/Attribute.adoc[Attribute] const& value) const = 0;
----

== Return Value

`true` if an attribute having `value` exists in this object, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| attribute value to look up
|===


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