Specifies the part that needs to be selected as top attachment. The part is attached directly to the top of the beam and is considered only when the Top Placement codelist value is 2 (Edge) or 3 (Center and Edge). This property uses the following hsSBeamAttachment codelist values:
1 = Lug
2 = Welded Beam Attachment
3 = U Bolt
4 = Plate
Specifies the shape to use for the top attachment. Top shapes can be Lug, WBA, U-Bolt, or Plate. If the property value is blank, the shape is not drawn.