p;interpolator)</pre>
<div class="block">Defines the message interpolator used. Has priority over the configuration
 based message interpolator.
 <p>
 If <code>null</code> is passed, the default message interpolator is used
 (defined in XML or the specification default).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>interpolator</code> - message interpolator implementation</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>this</code> following the chaining method 