How to use blend(GENERATIVE SHAPE DESIGN) command in CATIA V5

We couldn't understand my friend.
Blend means Fillet right?

blend command is available in wire-frame and surface design in CATIA. It connects two wireframe and two support.

use two rectangular filled surface 2nd some distance offset to first one and 2nd in top right position,the use blend command in generative shape design.first curve first support then 2nd curve 2nd support,also use tagency and s-shaped curved bend..hope ur problem will solve.for more detail mail me at aryan_engineer2k5@yahoo.co.in