Enterprise Administration > Windchill Export and Import > PTC Windchill PLM Connector - Creo Packages Administrator's and User's Guide > Windchill PLM Connector – Creo Packages > Importing Packages > Before Importing a Package > Setting Import Preferences > Baseline Folder
  
Baseline Folder
Specify the baseline folder in a mapping file as follows:
baseline.folderpath=<baseline folder>.
Specify the baseline prefix as follows:
baseline.prefix=WPC_%o.
The %o stands for the operation that you are performing.