8203;(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/function/Function.html?is-external=true" title="class or interface in java.util.function" class="externalLink">Function</a>&lt;<a href="../../../context/spi/CreationalContext.html" title="interface in jakarta.enterprise.context.spi">CreationalContext</a>&lt;U&gt;,&#8203;U&gt;&nbsp;callback)</pre>
<div class="block">Set a callback to produce a new instance.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt