@java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }
<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