# StructureDiff.DiffType Enum

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

Enumeration value indicating the type of diff.

## Syntax

```
public enum DiffType
```

### Fields

| Name | Description |
| --- | --- |
| Add | Diff indicates that a property has been added. |
| Change | Diff indicates that a property has changed. |
| Remove | Diff indicates that a property has been removed. |
| TypeChange | Diff indicates that the type of the property has changed. |