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  • Guide to WHM Plugins - The AppConfig System
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The AppConfig system configures cPanel & WHM attributes and registers WHM plugins. Use AppConfig in your WHM plugin installation scripts to register WHM plugins. You can also use the AppConfig system to add application attributes in cPanel, WHM, or Webmail. AppConfig configuration files store each application's configuration settings.


  • cPanel & WHM version 11.32 introduced the AppConfig system.
  • In cPanel & WHM version 11.38.1 and later, plugin developers must use AppConfig to register WHM plugins.

Update AppConfig files for 11.38.1+

The upgrades to the AppConfig system in cPanel & WHM version 11.38.1 require the following changes to AppConfig configuration files:

Test application

A test application for cPanel & WHM version 11.38.1 is available on Github:

For cPanel & WHM version 64 and later, we added the following test application to GitHub: