public void setAction(String action) {
        this.action = action;
    }
<p>
Specify <code>INSERT</code> to add a <a>SqlInjectionMatchSetUpdate</a> to a <a>SqlInjectionMatchSet</a>. Use
<code>DELETE</code> to remove a <code>SqlInjectionMatchSetUpdate</code> from a <code>SqlInjectionMatchSet</code>.
</p>

@param action
       Specify <code>INSERT</code> to add a <a>SqlInjectionMatchSetUpdate</a> to a <a>SqlInjectionMatchSet</a>.
       Use <code>DELETE</code> to remove a <code>SqlInjectionMatchSetUpdate</code> from a
       <code>SqlInjectionMatchSet</code>.
@see ChangeAction
aws-java-sdk-waf/src/main/java/com/amazonaws/services/waf/model/SqlInjectionMatchSetUpdate.java