Extension Installer/Triggers/onAfterExtensionUninstall
From Joomla! Documentation
< Extension Installer | Triggers
The onAfterExtensionUninstall trigger occurs after the uninstallation of an extension. It has these parameters:
- installer
A copy of the installer instance that was used. This it to get access to any error messages that might have occured. - eid
The extension ID of the uninstalled extension. - result
The result of the operation (boolean)