private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.talent.v4beta1.ClientEvent,
            com.google.cloud.talent.v4beta1.ClientEvent.Builder,
            com.google.cloud.talent.v4beta1.ClientEventOrBuilder>
        getClientEventFieldBuilder() {
      if (clientEventBuilder_ == null) {
        clientEventBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.talent.v4beta1.ClientEvent,
                com.google.cloud.talent.v4beta1.ClientEvent.Builder,
                com.google.cloud.talent.v4beta1.ClientEventOrBuilder>(
                getClientEvent(), getParentForChildren(), isClean());
        clientEvent_ = null;
      }
      return clientEventBuilder_;
    }
<pre>
Required. Events issued when end user interacts with customer's application
that uses Cloud Talent Solution.
</pre>

<code>
.google.cloud.talent.v4beta1.ClientEvent client_event = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/CreateClientEventRequest.java