public String getAction() {
        return this.action;
    }
<p>
Specifies whether to insert or delete a <a>RegexMatchTuple</a>.
</p>

@return Specifies whether to insert or delete a <a>RegexMatchTuple</a>.
@see ChangeAction
aws-java-sdk-waf/src/main/java/com/amazonaws/services/waf/model/RegexMatchSetUpdate.java