public Builder setResponse(com.google.cloud.vertexai.api.Schema value) {
      if (responseBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        response_ = value;
      } else {
        responseBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000008;
      onChanged();
      return this;
    }
<pre>
Optional. Describes the output from this function in JSON Schema format.
Reflects the Open API 3.03 Response Object. The Schema defines the type
used for the response value of the function.
</pre>

<code>
.google.cloud.vertexai.v1.Schema response = 4 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FunctionDeclaration.java