[ExternalCommands] ECCount = 1 ECName1 = Rotate Framing Objects ECClassName1 = Revit.SDK.Samples.RotateFramingObjects.VB.NET.RotateFramingObjects ECAssembly1 = RotateFramingObjects.dll ECDescription1 = To rotate the objects, such as beams, braces and columns, select them and execute the Externalcommand.