Use the Breadcrumb component in an Experience Builder site template on topic, article, or feed detail pages to let your customers easily navigate back to parent or grandparent topics.
- Select the Breadcrumb component in the page you’re configuring.
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In the property editor, configure the properties for the component.
Property Details Unique Name or ID Use {!topicID} on topic pages, {!feedItemID} on question or feed item pages, and {!urlName} on article pages. 
Note While topics reside in a fixed hierarchy, articles and feeds can be assigned to multiple topics at once. When an article or feed is assigned to a multiple of topic hierarchies, the Breadcrumb component shows topics that are the most discussed in a site.Breadcrumbs don’t appear on top-level topic pages.