diff --git a/java/com/android/dialer/precall/impl/AssistedDialAction.java b/java/com/android/dialer/precall/impl/AssistedDialAction.java
index 8d2b176..15a889e 100644
--- a/java/com/android/dialer/precall/impl/AssistedDialAction.java
+++ b/java/com/android/dialer/precall/impl/AssistedDialAction.java
@@ -79,6 +79,7 @@
           .putBundle(TelephonyManagerCompat.ASSISTED_DIALING_EXTRAS, assistedDialingExtras);
       builder.setUri(
           CallUtil.getCallUri(Assert.isNotNull(transformedNumber.get().transformedNumber())));
+      LogUtil.i("AssistedDialAction.runWithoutUi", "assisted dialing was used.");
     }
   }