nbsp;<span class="return-type">org.apache.tinkerpop.gremlin.process.traversal.step.util.event.CallbackRegistry&lt;org.apache.tinkerpop.gremlin.process.traversal.step.util.event.Event.VertexAddedEvent&gt;</span>&nbsp;<span class="element-name">getMutatingCallbackRegistry</span>()</div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code>getMutatingCallbackRegistry</code>&nbsp;in interface&nbsp;<code>org.apache.tinkerpop.gremlin.process.traversal.step.Mutating&lt;org.apache.tinkerpop.gremlin.process.traversal