Predecessors --

Integer List field that lists the task ID for predecessor tasks on which the task depends
before it can be started or finished.

Best Uses --

Add the field to a task view when you want to display or update task predecessors
(demonstrate)

photo1 - 2 - 3 --

Dependency types --

FS = finish to start
FF = finish to finish
SS = start to start
SF = start to finish

Lead Time = time before predecessor target (-)
Lag Time = time after predecessor target (+)

Example --

"14FS+3d"

14 - predecessor task
FS - finish to start dependency
+3d - Three day Lag time
 
photo 4 --

Default Values--
Starts with zero dependency 
 - unless it is a subtask (assumes same start date as parent)
if only the task number is entered,  a finish to start dependency with a zero lag time is assumed

photo 5 --

Relating to other Projects --

Predecessor tasks can be tasks in separate projects
simply include the path to the project field

example:
C:\MyDocuments\Bldg_E_Construction.mpp\3FF