# Expression Property

## Overloads

| [Expression](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.NxAttrExprDef.Expression.htm#Qlik_Engine_NxAttrExprDef_Expression) |  | Definition of the attribute expression.<br><br>Example: `"Max(OrderID)"`<br><br>JSON property name: qExpression |
| --- | --- | --- |

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

## Expression

Definition of the attribute expression.

Example: `"Max(OrderID)"`

JSON property name: qExpression

### Declaration

```

          public string Expression { get; set; }
    
  
```

### Property Value

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

### Implements

[INxAttrExprDef.Expression](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.INxAttrExprDef.Expression.htm#Qlik_Engine_INxAttrExprDef_Expression)