Modify a project task dependency You can modify a dependency if you need to make changes to the tasks that are linked in the dependency, the dependency type, or the lag time. About this task Project task dependencies are saved on the Planned Task Relationship [planned_task_rel_planned_task] table. You can access dependencies from the planning console. Procedure Double-click a dependency on the Gantt chart of the planning console. Modify any of the fields (see table). Table 1. Planned Task Relationship form fields Field Description Predecessor The predecessor, or determiner, in the relationship. You can select a new task. However, it is a good practice to delete the relationship and create a new relationship between the correct tasks. Successor The successor in the relationship. The successor depends on the predecessor. You can select a new task. However, it is a good practice to delete the relationship and create a new relationship between the correct tasks. Type The type of relationship, which is always Predecessor of::Successor of. Do not change this value. Sub Type The type of dependency. See Project task relationships and dependencies for a description of each type. Lag The lag time between the tasks. Enter the days, hours, minutes, and seconds for the lag. Lag time can be positive or negative. Click Update. You can view dependencies in the Project Task related list on a Project or Project Task form and from the Project Tasks list on the workbench. These columns show the dependencies: The Dependency column shows the successor task in the relationship. The Dependencies column shows the dependency value. See Predecessor dependencies in the Planning Console for a description of what you see in this column.