Dynamic Layout Handle

A layout handle is a XML tag which allow to determine which blocks are loaded depending on the current path.

For example, contentmanager_index_content is the handle which will be used on a content view page.

The default layout for a content view is:

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd"> 
   <head>
        <"Blackbird_ContentManager::css/content.css" />
   
    <body>
        <referenceContainer name="content">
            <referenceBlock name="page.main.title" remove="true"/>
            <block class="Blackbird\ContentManager\Block\View" name="contentmanager_view" />

The dynamic layout handle will permits to add specific block or layout for a defined content type.

Let's say we want to add a cms block in the left column of our blog content type. We will use then CONTENT_TYPE_VIEW_blog.xml as layout file 

<referenceContainer name="left">
     <block class="""Magento\Cms\Block\Block" name="my-custom-block">
         <action method="setBlockId">my-custom-blockargument>action>
     block>

 

Let's say we want to add a cms block in the left column of our archive content list (only created from the backend). We will use then CONTENT_LIST_VIEW_archive.xml as layout file

<referenceContainer name="left">
    <block class="Magento\Cms\Block\Block" name="my-custom-block">
        <action method"setBlockId">my-custom-blockargument>action>
    block>
</referenceContainer>
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