Packages provide the ability to group collections of Work Products into meaningful categories to help you organize your Work Products. User Stories, Defects, and Test Cases can be assigned to a Package.  

Once the Package is created and populated, you can find a Package and all its elements by clicking the Searchtab, entering your Package search criteria, and selecting your Package in the resulting dialog.   You can also filter and sort a package on each Work Product Summary page(User Story, Defect, and Test Case pages)

To create/update your package field follow these steps

1. Select Setup >> Workspaces & Projects

2. Click on the name of the workspace you want to edit.

3. Click on the Work Products & Fields link.

4. On this screen you will be able to select and create/edit the package field.

To create a value put a value a in the text box and click the Add Value button. 

Edit an existing list item by highlighting it from the list of existing values.  The list item appears in the text box below the list.  Edit the value and click the  icon to save the change.  The value is updated and reflected in the list.

Remove an existing value by highlighting it from the list of existing values.  The value appears in the Current Value text box below the list.  Click the Remove button and the value is removed from the displayed list.

Re-order the list by highlighting a value and clicking the up or down arrows.