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Task relationships are an important function of Fuzor’s scheduling system. Similarly to Standardized scheduling software tasks in Fuzor can be linked together forcing chronological ordering. If Auto Calculate Schedule in the 4D settings is checked when durations are changed or a schedule lag is introduced task schedules are recalculated to not break the relationship.

In some situations, a dialog menu appears if a change to a task’s schedule violates a task relationship. If Yes is selected the task relationship is removed. If working with a complex schedule where links are important you might want to uncheck Auto Calculate Schedule. For more information see 4D Settings.

To link tasks together in the Gantt chart hover over the space directly after the task finishes, click and drag it to the beginning of or the end of the task you wish to link it to.

This assigns the task you dragged from as a predecessor of the task you are assigning it too. The above example shows two linked tasks.

Links all selected tasks together

Removes all links on selected tasks

Divides a task into multiple linked child tasks

The Create Predecessor Chain button prompts you to select a how you want the chain to be linked.

Finish-Start ensures that the predecessor completes before the successor begins.

Finish-Finish ensures that the predecessor completes before the successor completes.

Start-Finish ensures that the predecessor begins before the successor completes.

Start-Start ensures that the predecessor begins before the successor begins

Using the Predecessor or Successor columns in the task table you can see all of the relationships of a task, as well as add or remove relationships. Each relationship is denoted by its task ID and separated by commas when referencing multiple links. To assign a lag to a link you can insert algorithmic notation such as 2FS+1d, "start one day after task 2 finishes". Lags can either be negative or positive. a negative finish to start lag link would ensure that a preceding task completes within a given time frame after the successive task begins.

Use the Task Details Tab to review and or remove task relationships. To open this tab, click the Task Details button is located in the 4D Simulation Toolbox. With the Task Details Tab, you can view all of the predecessor and successor links for the currently selected task. The first number in each link row is the ID of the linked task.

To Add a predecessor or successor enter the ID of the task into the associated textbox and select the associated addition symbol.

Adds the task with the entered ID as a predecessor or successor.

Remove the associated task link.