Article Sidebar Component in Case Feed Layout - "This component is only available on Case Feed page layouts." - Salesforce Developer Community
![Customizing the Layout and Appearance of Case Feed | Publisher and Quick Action Developer Guide | Salesforce Developers Customizing the Layout and Appearance of Case Feed | Publisher and Quick Action Developer Guide | Salesforce Developers](https://developer.salesforce.com/docs/resources/img/en-us/242.0?doc_id=dev_guides%2Fcase_feed%2Fimages%2Fcase_feed_general_customization_example.png&folder=case_feed_dev)
Customizing the Layout and Appearance of Case Feed | Publisher and Quick Action Developer Guide | Salesforce Developers
![visualforce component - Case Articles Tool in the Sidebar of Case Feed Page Layout - Salesforce Stack Exchange visualforce component - Case Articles Tool in the Sidebar of Case Feed Page Layout - Salesforce Stack Exchange](https://i.stack.imgur.com/Wo2o4.jpg)