[ExternalCommands] ECCount = 3 ECName1 = ApplyParameter ECClassName1 = Revit.SDK.Samples.FireRating.VB.NET.ApplyParameter ECAssembly1 = FireRating.dll ECDescription1 = add a new shared parameter to revit and apply it to all doors. ECName2 = ExportFireRating ECClassName2 = Revit.SDK.Samples.FireRating.VB.NET.ExportFireRating ECAssembly2 = FireRating.dll ECDescription2 = export fire rating values to an Excel file. ECName3 = ImportFireRating ECClassName3 = Revit.SDK.Samples.FireRating.VB.NET.ImportFireRating ECAssembly3 = FireRating.dll ECDescription3 = import fire rating values from the Excel file and apply them to doors.