Common Attributes +
First (origin) - enter the position [x,y] for your Shape's origin.
Second - enter the position [x,y] for your Shape's destination (e.g. the postion it will move to when a Falloff is over its origin.
Create a Shape.
Create a Position Blend.
Connect positionBlend.id > shape.position.
Set Second to 50, 50.
Right click on the Falloff attribute and select Add Falloff.
Move the Falloff.
The shape will move towards the position set in Second when the Falloff passes over the position set in First.