An entire staging repository can be promoted in a single operation by performing the following steps:
Expand the Feature bar, open Model Configuration, and select Promotion Configuration.
Select the Promotion Configuration to be used to promote.
To promote all new or changed records, select the All New or Changed Records radio button.
To promote only those records in a Saved Set, select the All Records from Saved Set radio button and select the desired Saved Set from the list.
Select the desired promotion type.
Select the desired validation option.
Click OK. A background job will be launched that will validate and promote the designated records from the designated repository.