Revit Parameter Data Model

revit_parameter_data_model.cs

public enum ParameterStorageTypeEnum
{
    Unknown = 0,
    Integer = 1,
    Double = 2,
    String = 3,
    ElementId = 4
}

[Flags]
public enum ParameterFlagsEnum
{
    None,
    IsInstance = 1 << 0,
    IsShared = 1 << 1,
    IsReadOnly = 1 << 2,
    IsBuiltIn = 1 << 3,
    IsProject = 1 << 4,
    IsGlobal = 1 << 5,
}

public class ParameterDescriptorData 
{
    public string Name { get; set; }
    public string Group { get; set; }
    public string ParameterType { get; set; }
    public string Guid { get; set; } // The string representation of the parameter GUID. In Revit, this GUID only exists if IsShared is true.
    public string DisplayUnitSpec { get; set; } // ex: "UT_Length" in Revit 2020 and prior, or "autodesk.spec.aec:length-1.0.0" in Revit 2021 and up.
    public string DisplayUnitType { get; set; } // ex: "DUT_FEET_FRACTIONAL_INCHES" in Revit 2020 and prior, or "autodesk.unit.unit:feetFractionalInches-1.0.0" in Revit 2021 and up.
    public string DisplayUnitLabel { get; set; } // The localized label, ex: "Feet and fractional inches"
    public int ParameterFlags { get; set; }
    public ParameterStorageTypeEnum StorageType { get; set; }
}

public class ParameterData
{
    public int ParameterDescriptor { get; set; }
    public string NativeValue { get; set; }
    public string DisplayValue { get; set; }
}

public class ParameterListData
{
    public List<ParameterData> Parameters { get; set; } = new();
    public List<ParameterDescriptorData> Descriptors { get; set; } = new();
}