cms.template.extendTemplateSettingsFields

Triggered in Cms\Classes\EditorExtension\HasExtensionExtensibility.

Fires after CMS Editor (page|partial|layout) Settings configuration is loaded and provides an opportunity to extend the standard template Settings popup. $dataHolder = {settings: [], templateType: string}

Example usage:

Event::listen('cms.template.extendTemplateSettingsFields', function ((\Cms\Classes\EditorExtension) $extension, (object) $dataHolder) {
    // Make some modifications to the $dataHolder->settings array
});