onExtensionEvent property

void Function(String provider, String extension, String key, String value)? onExtensionEvent

The event callback of the extension. To listen for events while the extension is running, you need to register this callback.

• value The value of the extension key.
• key The key of the extension.
• provider The name of the extension provider.
• extName The name of the extension.

Implementation

final void Function(
        String provider, String extension, String key, String value)?
    onExtensionEvent;