# OldType Property

## Overloads

| [OldType](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IStructureDiff.OldType.htm#Qlik_Engine_IStructureDiff_OldType) |  | The original type of the property. |
| --- | --- | --- |

[](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IStructureDiff.OldType.htm) [](https://help.qlik.com/en-US/sense-developer/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IStructureDiff.OldType.htm)

## OldType

The original type of the property.

### Declaration

```

          string OldType { get; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.String |  |