How to restrict values in drop-down in PP key column based on another PP column

To restrict values in a drop-down in a Price Parameter key column based on another Price Parameter column:

1. Open a Price Parameter table and right click the column you want to use as a source.
2. Click "Add Columns to 'Rename.../Restrict Values' List".
   
3. Go to the column you want to restrict and click 'Rename and Customize Column'.
4. In the 'Restrict Values' drop-down select "by Data Source".
5. Click the "Select a Data Source Field" below and in the new window select the Data Source you picked as the source column. Select the field you want from the "Fields" picker and press "Select".
6. Refresh the PP table to see the effect.