KnowledgebaseEvent events

23 FeatherPanel plugin events on KnowledgebaseEvent (23 emitted by the core): the event names, the arguments each listener gets, where they fire and a PHP listener for each.

Last synced from FeatherPanel 15b94e9 on 23 Oct 2026.

Part of the plugin events reference. Listeners get the payload values as positional arguments in the order shown, cannot cancel the action, and must catch their own exceptions.

Setup

Import KnowledgebaseEvent in your entry class and register listeners in processEvents():

<?php

namespace App\Addons\myplugin;

use App\App;
use App\Plugins\AppPlugin;
use App\Plugins\PluginEvents;
use App\Plugins\Events\Events\KnowledgebaseEvent;

class MyPlugin implements AppPlugin
{
    public static function processEvents(PluginEvents $event): void
    {
        $event->on(KnowledgebaseEvent::onKnowledgebaseArticleCreated(), function ($article, $createdBy): void {
            App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:article:created ' . json_encode(['article' => $article, 'created_by' => $createdBy]));
        });
    }

    public static function pluginInstall(): void
    {
    }

    public static function pluginUninstall(): void
    {
    }
}

$event->on(KnowledgebaseEvent::onKnowledgebaseArticleCreated(), function ($article, $createdBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:article:created ' . json_encode(['article' => $article, 'created_by' => $createdBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseArticleDeleted(), function ($article, $deletedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:article:deleted ' . json_encode(['article' => $article, 'deleted_by' => $deletedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseArticleRetrieved(), function ($article): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:article:retrieved ' . json_encode(['article' => $article]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseArticleUpdated(), function ($article, $updatedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:article:updated ' . json_encode(['article' => $article, 'updated_by' => $updatedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseArticlesReordered(), function ($articles, $reorderedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:articles:reordered ' . json_encode(['articles' => $articles, 'reordered_by' => $reorderedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseArticlesRetrieved(), function ($articles, $pagination, $search): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:articles:retrieved ' . json_encode(['articles' => $articles, 'pagination' => $pagination, 'search' => $search]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseAttachmentDeleted(), function ($article, $attachment, $deletedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:attachment:deleted ' . json_encode(['article' => $article, 'attachment' => $attachment, 'deleted_by' => $deletedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseAttachmentUploaded(), function ($article, $attachment, $uploadedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:attachment:uploaded ' . json_encode(['article' => $article, 'attachment' => $attachment, 'uploaded_by' => $uploadedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseAttachmentsRetrieved(), function ($article, $attachments): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:attachments:retrieved ' . json_encode(['article' => $article, 'attachments' => $attachments]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseCategoriesRetrieved(), function ($categories, $pagination, $search): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:categories:retrieved ' . json_encode(['categories' => $categories, 'pagination' => $pagination, 'search' => $search]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseCategoryCreated(), function ($category, $createdBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:category:created ' . json_encode(['category' => $category, 'created_by' => $createdBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseCategoryDeleted(), function ($category, $deletedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:category:deleted ' . json_encode(['category' => $category, 'deleted_by' => $deletedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseCategoryRetrieved(), function ($category): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:category:retrieved ' . json_encode(['category' => $category]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseCategoryUpdated(), function ($category, $updatedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:category:updated ' . json_encode(['category' => $category, 'updated_by' => $updatedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseIconUploaded(), function ($url, $filename, $uploadedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:icon:uploaded ' . json_encode(['url' => $url, 'filename' => $filename, 'uploaded_by' => $uploadedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseTagCreated(), function ($article, $tag, $createdBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:tag:created ' . json_encode(['article' => $article, 'tag' => $tag, 'created_by' => $createdBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseTagDeleted(), function ($article, $tag, $deletedBy): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:tag:deleted ' . json_encode(['article' => $article, 'tag' => $tag, 'deleted_by' => $deletedBy]));
});

$event->on(KnowledgebaseEvent::onKnowledgebaseTagsRetrieved(), function ($article, $tags): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:admin:knowledgebase:tags:retrieved ' . json_encode(['article' => $article, 'tags' => $tags]));
});

$event->on(KnowledgebaseEvent::onUserKnowledgebaseArticleRetrieved(), function ($article, $attachments, $tags, $user): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:user:knowledgebase:article:retrieved ' . json_encode(['article' => $article, 'attachments' => $attachments, 'tags' => $tags, 'user' => $user]));
});

$event->on(KnowledgebaseEvent::onUserKnowledgebaseArticlesRetrieved(), function ($articles, $pagination): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:user:knowledgebase:articles:retrieved ' . json_encode(['articles' => $articles, 'pagination' => $pagination]));
});

$event->on(KnowledgebaseEvent::onUserKnowledgebaseCategoriesRetrieved(), function ($categories, $pagination): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:user:knowledgebase:categories:retrieved ' . json_encode(['categories' => $categories, 'pagination' => $pagination]));
});

$event->on(KnowledgebaseEvent::onUserKnowledgebaseCategoryArticlesRetrieved(), function ($category, $articles, $pagination): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:user:knowledgebase:category:articles:retrieved ' . json_encode(['category' => $category, 'articles' => $articles, 'pagination' => $pagination]));
});

$event->on(KnowledgebaseEvent::onUserKnowledgebaseCategoryRetrieved(), function ($category): void {
    App::getInstance(true)->getLogger()->info('[myplugin] featherpanel:user:knowledgebase:category:retrieved ' . json_encode(['category' => $category]));
});