@java.lang.Override
  public int getModeValue() {
    return mode_;
  }
<pre>
Optional. Function calling mode.
</pre>

<code>
.google.cloud.vertexai.v1.FunctionCallingConfig.Mode mode = 1 [(.google.api.field_behavior) = OPTIONAL];
</code>

@return The enum numeric value on the wire for mode.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionCallingConfig.java