Returns the center of a geometry and the Diameter of it's bounding box as the Dimention
You can Right Click on the component's icon and choose "ForAll" option to have center point of a group of geometries.
Besides You can Right click on the component's icon and choose one of three provided options (Spacial/ Planar/ Basement ) to have Desired type of center.

Inputs

Name	ID	Description	Type
Geometric	G	Geometric	Geometry

Outputs

Name	ID	Description	Type
Center	C	Center	Point
Dimension	D	Diagonal size of geometry's bounding box	Number