[#BloombergLP-ball-Rule-addAttribute]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/Rule.adoc[Rule]::addAttribute
:relfileprefix: ../../../
:mrdocs:

Add an attribute having the specified `value` to this object. Return 1 on success and 0 if an attribute having the same value already exists in this object.

== Synopsis

Declared in `<ball_rule.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
addAttribute(xref:BloombergLP/ball/ManagedAttribute.adoc[ManagedAttribute] const& value);
----


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