# IFunction Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Syntax

```
[ValueClass]
public interface IFunction
```

## Properties

| Name | Description |
| --- | --- |
| [Group](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFunction.Group.htm#Qlik_Engine_IFunction_Group) | Group of the script function.<br><br>JSON property name: qGroup |
| [Name](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFunction.Name.htm#Qlik_Engine_IFunction_Name) | Name of the script function.<br><br>JSON property name: qName |
| [Signature](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IFunction.Signature.htm#Qlik_Engine_IFunction_Signature) | Signature of the script function.<br><br>Gives general information about the function.<br><br>JSON property name: qSignature |