...
These properties are metadata that we will always set, from Digizuite - and are needed for the integration to work well. It is properties like Description, ItemID (in Digizuite), AssetType (Digizuite ID), List of Folders, Asset Type Name, Note, AssetSize (size of original asset in bytes), MMUrl (the URL to MediaManager for this asset) , Keywords, as well as the source and preview image for the asset.
...