> For the complete documentation index, see [llms.txt](https://docs.flatredball.com/gum/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flatredball.com/gum/gum-tool/code-tab/is-codegen-plugin-enabled.md).

# Is CodeGen Plugin Enabled

### Introduction

The **Is CodeGen Plugin Enabled** checkbox controls whether Gum generates code automatically to the destination location specified by the Code Project Root. Gum automatically generates code if:

* The Is CodeGen Plugin Enabled is checked
* A Code Project Root is specified
* An object has its Generation Behavior set to **GenerateAutomaticallyOnPropertyChange**

If this option is unchecked, then code will not automatically be saved to disk even if the other options are set.

For more information on automatic code generation, see the section on [automatically saving generated code](/gum/gum-tool/code-tab.md#automatic-saving-of-generated-code).


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