diff --git a/transfer/transfer-04-event-consumer/listener/src/main/java/org/eclipse/edc/sample/extension/listener/TransferProcessStartedListener.java b/transfer/transfer-04-event-consumer/listener/src/main/java/org/eclipse/edc/sample/extension/listener/TransferProcessStartedListener.java
index d9c33c74..35ebc4d2 100644
--- a/transfer/transfer-04-event-consumer/listener/src/main/java/org/eclipse/edc/sample/extension/listener/TransferProcessStartedListener.java
+++ b/transfer/transfer-04-event-consumer/listener/src/main/java/org/eclipse/edc/sample/extension/listener/TransferProcessStartedListener.java
@@ -15,6 +15,7 @@
 package org.eclipse.edc.sample.extension.listener;
 
 import org.eclipse.edc.connector.controlplane.transfer.spi.observe.TransferProcessListener;
+import org.eclipse.edc.connector.controlplane.transfer.spi.observe.TransferProcessStartedData;
 import org.eclipse.edc.connector.controlplane.transfer.spi.types.TransferProcess;
 import org.eclipse.edc.spi.monitor.Monitor;
 
@@ -27,13 +28,14 @@ public TransferProcessStartedListener(Monitor monitor) {
     }
 
     /**
-     * Callback invoked by the EDC framework when a transfer is about to be completed.
+     * Callback invoked by the EDC framework when a transfer is started.
      *
-     * @param process the transfer process that is about to be completed.
+     * @param process        the transfer process that has been started.
+     * @param additionalData additional data associated with the started transfer process.
      */
     @Override
-    public void preStarted(final TransferProcess process) {
+    public void started(final TransferProcess process, final TransferProcessStartedData additionalData) {
         monitor.info("TransferProcessStartedListener received STARTED event");
-        // do something meaningful before transfer start
+        // do something meaningful when transfer starts
     }
 }