# IValueExpression Interface

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

#### Properties

Abbreviated syntax:

"qValueExpression":"=<expression>"

Extended object syntax:

"qValueExpression":{"qExpr":"=<expression>"}

Where:

* < expression > is a string.

The expression is evaluated as a numeric.

## Syntax

```
[ValueClass]
public interface IValueExpression : IAbstractStructure
```

## Properties

| Name | Description |
| --- | --- |
| [Expr](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IValueExpression.Expr.htm#Qlik_Engine_IValueExpression_Expr) | JSON property name: qExpr |