@java.lang.Override
  public com.google.cloud.vertexai.api.FunctionResponse getFunctionResponse() {
    if (dataCase_ == 6) {
      return (com.google.cloud.vertexai.api.FunctionResponse) data_;
    }
    return com.google.cloud.vertexai.api.FunctionResponse.getDefaultInstance();
  }
<pre>
Optional. The result output of a [FunctionCall] that contains a string
representing the [FunctionDeclaration.name] and a structured JSON object
containing any output from the function call. It is used as context to
the model.
</pre>

<code>
.google.cloud.vertexai.v1.FunctionResponse function_response = 6 [(.google.api.field_behavior) = OPTIONAL];
</code>

@return The functionResponse.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Part.java