public boolean hasCustomClass() {
      return ((bitField0_ & 0x00000004) != 0);
    }
<pre>
Required. The custom class to create.
</pre>

<code>
.google.cloud.speech.v1p1beta1.CustomClass custom_class = 3 [(.google.api.field_behavior) = REQUIRED];
</code>

@return Whether the customClass field is set.
java-speech/proto-google-cloud-speech-v1p1beta1/src/main/java/com/google/cloud/speech/v1p1beta1/CreateCustomClassRequest.java