If you have multiple assets of the same type to modify, use the Multi Edit tab to edit them in bulk. There are three types of multi edit operations:
Step Edit lets you edit one asset at a time sequentially. Once you’ve edited and saved your changes for one asset, the properties for the next asset are displayed automatically. See Modifying Assets Sequentially (Step Edit).
List Edit lets you edit properties on all assets in a list. You provide property values to one asset, then scroll to the next in the list and so on: after you’re finished, you save all of your edits at once. See Modifying All Assets in a List at Once (List Edit).
Apply to All lets you apply a set of property values to a selection of assets. See Applying One Set of Property Values to Several Assets at Once (Apply to All).
Note that you can use multi edit to update properties in all of the same ways as you can when you modify assets individually, except one: you can’t create a new asset in the context of another asset. For example, a product has a Small image property that might hold a media-internal-binary asset. It’s possible to replace the media-internal-binary asset with an existing one, but not create a new one here. Also, global and local facets can’t be modified in bulk.
In order to use multi edit, an administrator must first configure property groups, which are groups of properties available for modification at the same time. When you select a multi edit button, you also select a property group whose properties display in the Details pane. To learn how to create property groups, see the Creating and Defining Property Groups section of the ATG Business Control Center Administration and Development Guide.