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Developers
Events
Metrix provides a collection of events for extending its functionality. Modules and plugins can register event listeners, typically in their init() methods, to modify Metrix’s behavior.
Source Events
The beforeSaveSource event
The event that is triggered before a source is saved.
use verbb\metrix\events\SourceEvent;
use verbb\metrix\services\Sources;
use yii\base\Event;
Event::on(Sources::class, Sources::EVENT_BEFORE_SAVE_SOURCE, function(SourceEvent $event) {
$source = $event->source;
$isNew = $event->isNew;
// ...
});The afterSaveSource event
The event that is triggered after a source is saved.
use verbb\metrix\events\SourceEvent;
use verbb\metrix\services\Sources;
use yii\base\Event;
Event::on(Sources::class, Sources::EVENT_AFTER_SAVE_SOURCE, function(SourceEvent $event) {
$source = $event->source;
$isNew = $event->isNew;
// ...
});The beforeDeleteSource event
The event that is triggered before a source is deleted.
use verbb\metrix\events\SourceEvent;
use verbb\metrix\services\Sources;
use yii\base\Event;
Event::on(Sources::class, Sources::EVENT_BEFORE_DELETE_SOURCE, function(SourceEvent $event) {
$source = $event->source;
// ...
});The afterDeleteSource event
The event that is triggered after a source is deleted.
use verbb\metrix\events\SourceEvent;
use verbb\metrix\services\Sources;
use yii\base\Event;
Event::on(Sources::class, Sources::EVENT_AFTER_DELETE_SOURCE, function(SourceEvent $event) {
$source = $event->source;
// ...
});View Events
The beforeSaveView event
The event that is triggered before a view is saved.
use verbb\metrix\events\ViewEvent;
use verbb\metrix\services\Views;
use yii\base\Event;
Event::on(Views::class, Views::EVENT_BEFORE_SAVE_SOURCE, function(ViewEvent $event) {
$view = $event->view;
$isNew = $event->isNew;
// ...
});The afterSaveView event
The event that is triggered after a view is saved.
use verbb\metrix\events\ViewEvent;
use verbb\metrix\services\Views;
use yii\base\Event;
Event::on(Views::class, Views::EVENT_AFTER_SAVE_SOURCE, function(ViewEvent $event) {
$view = $event->view;
$isNew = $event->isNew;
// ...
});The beforeDeleteView event
The event that is triggered before a view is deleted.
use verbb\metrix\events\ViewEvent;
use verbb\metrix\services\Views;
use yii\base\Event;
Event::on(Views::class, Views::EVENT_BEFORE_DELETE_SOURCE, function(ViewEvent $event) {
$view = $event->view;
// ...
});The afterDeleteView event
The event that is triggered after a view is deleted.
use verbb\metrix\events\ViewEvent;
use verbb\metrix\services\Views;
use yii\base\Event;
Event::on(Views::class, Views::EVENT_AFTER_DELETE_SOURCE, function(ViewEvent $event) {
$view = $event->view;
// ...
});Preset Events
The beforeSavePreset event
The event that is triggered before a preset is saved.
use verbb\metrix\events\PresetEvent;
use verbb\metrix\services\Presets;
use yii\base\Event;
Event::on(Presets::class, Presets::EVENT_BEFORE_SAVE_SOURCE, function(PresetEvent $event) {
$preset = $event->preset;
$isNew = $event->isNew;
// ...
});The afterSavePreset event
The event that is triggered after a preset is saved.
use verbb\metrix\events\PresetEvent;
use verbb\metrix\services\Presets;
use yii\base\Event;
Event::on(Presets::class, Presets::EVENT_AFTER_SAVE_SOURCE, function(PresetEvent $event) {
$preset = $event->preset;
$isNew = $event->isNew;
// ...
});The beforeDeletePreset event
The event that is triggered before a preset is deleted.
use verbb\metrix\events\PresetEvent;
use verbb\metrix\services\Presets;
use yii\base\Event;
Event::on(Presets::class, Presets::EVENT_BEFORE_DELETE_SOURCE, function(PresetEvent $event) {
$preset = $event->preset;
// ...
});The afterDeletePreset event
The event that is triggered after a preset is deleted.
use verbb\metrix\events\PresetEvent;
use verbb\metrix\services\Presets;
use yii\base\Event;
Event::on(Presets::class, Presets::EVENT_AFTER_DELETE_SOURCE, function(PresetEvent $event) {
$preset = $event->preset;
// ...
});Widget Events
The beforeSaveWidget event
The event that is triggered before a widget is saved.
use verbb\metrix\events\WidgetEvent;
use verbb\metrix\services\Widgets;
use yii\base\Event;
Event::on(Widgets::class, Widgets::EVENT_BEFORE_SAVE_SOURCE, function(WidgetEvent $event) {
$widget = $event->widget;
$isNew = $event->isNew;
// ...
});The afterSaveWidget event
The event that is triggered after a widget is saved.
use verbb\metrix\events\WidgetEvent;
use verbb\metrix\services\Widgets;
use yii\base\Event;
Event::on(Widgets::class, Widgets::EVENT_AFTER_SAVE_SOURCE, function(WidgetEvent $event) {
$widget = $event->widget;
$isNew = $event->isNew;
// ...
});The beforeDeleteWidget event
The event that is triggered before a widget is deleted.
use verbb\metrix\events\WidgetEvent;
use verbb\metrix\services\Widgets;
use yii\base\Event;
Event::on(Widgets::class, Widgets::EVENT_BEFORE_DELETE_SOURCE, function(WidgetEvent $event) {
$widget = $event->widget;
// ...
});The afterDeleteWidget event
The event that is triggered after a widget is deleted.
use verbb\metrix\events\WidgetEvent;
use verbb\metrix\services\Widgets;
use yii\base\Event;
Event::on(Widgets::class, Widgets::EVENT_AFTER_DELETE_SOURCE, function(WidgetEvent $event) {
$widget = $event->widget;
// ...
});
Last updated: May 4, 2026, 8:57:35 AM