Configure predecessor relationships to define lag or relationship type.
To configure predecessor relationships:
- Click Projects.
 - On the Projects navigation bar, click Activities.
 - On the Activities page, select an activity whose predecessor relationships you want to configure and click the Relationships detail window.
 - In the Relationships detail window:
- Select a predecessor relationship.
 - Add or remove columns as needed to configure to the detail window.
 - Select an option or enter a value for each field.
 - Save your changes.