# ExpansionState Property

## Overloads

| [ExpansionState](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ITreeDataDef.ExpansionState.htm#Qlik_Engine_ITreeDataDef_ExpansionState) |  | Expansion state per dimension.<br><br>JSON property name: qExpansionState |
| --- | --- | --- |

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

## ExpansionState

Expansion state per dimension.

JSON property name: qExpansionState

### Declaration

```

          IEnumerable<ExpansionData> ExpansionState { get; set; }
    
  
```

### Property Value

| Type | Description |
| --- | --- |
| System.Collections.Generic.IEnumerable&lt;[ExpansionData](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ExpansionData.htm)&gt; |  |