EyeonTips:Manual/Fusion 6/Tracker

From VFXPedia

The outputs of a tracker (seen in the connect to... menu) can also be used by scripts. They are:

SteadyPosition:        Steady Position
UnsteadyPosition:      Unsteady Position
SteadyAxis:            Steady Axis
SteadySize:            Steady Size
UnsteadySize:          Unsteady Size
SteadyAngle:           Steady Angle
UnsteadyAngle:         Unsteady Angle
Position1:             Tracker 1: Offset position
PerspectivePosition1:  Tracker 1: Perspective Offset position
PositionX1:            Tracker 1: Offset X position (3D Space)
PositionY1:            Tracker 1: Offset Y position (3D Space)
PerspectivePositionX1: Tracker 1: Perspective Offset X position (3D Space)
PerspectivePositionY1: Tracker 1: Perspective Offset Y position (3D Space)
SteadyPosition1:       Tracker 1: Steady Position
UnsteadyPosition1:     Tracker 1: Unsteady Position

(similarly for the 2nd, 3rd and so on)