Use the Select Curve dialog to select the curve that defines the shape of the feature.
Select a curve in the graphics window and click 
to add it to the list.
Show all — Select this option to show all available curves in the document.
Use the Select Curve dialog to select the curve that defines the shape of the feature.
Select a curve in the graphics window and click to add it to the list.
Show all — Select this option to show all available curves in the document.