How to convert 2D model to 3D mdel in hfss

Hello,
I want to convert a polyne model in 2D to 3D. I m trying with edit--> sweep--> along vector. but i dont understand the parameter of configuration. So can you help me step by step
Please help! It is urgent!
Any reply will be highly appreciated. Many many thanks in advance.

After properly selecting the 2D object, there should be an option to convert it into 3D via:
Modeler -> Surface -> Thicken Sheet