Customization Guidelines > Adding Additional Custom Columns to perm/dim/fact Tables > Data Source
  
Data Source
1 Open the Source Pane using the Data Warehouse ODBC connection.
2 Find the source staging table to be referenced.
3 Double-click the table to get a column list. Drag and drop the column into the perm (fact/dim) table’s Target pane to the bottom of the column list.