magento-test/app/code/Magento/CatalogUrlRewrite/README.md

Magento_CatalogUrlRewrite module

This module generate url rewrite fields for catalog and product.

Extensibility

Extension developers can interact with the Magento_CatalogUrlRewrite module. For more information about the Magento extension mechanism, see Magento plugins.

The Magento dependency injection mechanism enables you to override the functionality of the Magento_CatalogUrlRewrite module.

A lot of functionality in the module is on JavaScript, use mixins to extend it.