Usage of this parameter is dependant on function definition id and ItemType :
3 (Rectangles)
ItemType: Eplan::EplApi::Base::Enums::ItemType::DrillingRectRounded
- diameter3 (Rectangles)
ItemType: Eplan::EplApi::Base::Enums::ItemType::DrillingRectChamfer
- chamfer lengthIn other cases this parameter is not used.