[#BloombergLP-ball-RuleSet-addRule]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::xref:BloombergLP/ball/RuleSet.adoc[RuleSet]::addRule
:relfileprefix: ../../../
:mrdocs:

Create a new `Rule` object having the specified `value`. Return the non‐negative id of this non‐modifiable object on success, and a negative value otherwise. A return value of ‐1 indicates that another rule having this value already exists. A return value of ‐2 indicates that the maximum number of rules for this rule set has been reached.

== Synopsis

Declared in `<ball_ruleset.h>`

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


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