Create and configure a user activity as normal.
Add a business rule to the link leaving the user activity.
Open the Business Rule Designer and expand the WLVTask.Input node.
Copy a BP attribute from the Output panel to the All panel, as shown in Figure 4.
This creates an output container.
Open the Business Rules panel and click Show Single Mapping, as shown in Figure 5.
Right-click the Copy rule and click Reset Destination, as shown in Figure 6.
On the Enterprise Designer toolbar, click Save.