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The full synchronization that was a requirement before you could start using the connector, has been removed. It is no longer required to synchronize all assets into Sitecore before you can add assets to pages. Now the assets will be synchronized as they get used.
It’s still possible to do a full synchronization. We have moved this feature to the Administration dashboard. The full sync is useful if you need to search for dynamic content on the website. DFS 11.0 - Synchronization
Asset template
The asset template at /sitecore/templates/DFS/Data/Asset has changed.
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