In the Project Explorer, right-click the Business Process, and then click Properties.
Click the Business Process Attributes tab.
Select an existing attribute, and then click Edit.
Modify the information in the fields.
When you are done changing field values, click OK.
If you changed the attribute name, the Confirm Refactoring dialog appears. Do one of the following:
To update the name change across the Business Process, click Yes, Do Refactoring.
To only change the name of the attribute, click No, Only Do Name Change.
To avoid this message in the future, select Don’t ask me again. The option you selected above will always be the default option.
On the Properties window, click OK.