# IErrorData Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Syntax

```
[ValueClass]
public interface IErrorData
```

## Properties

| Name | Description |
| --- | --- |
| [ErrorDataCode](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IErrorData.ErrorDataCode.htm#Qlik_Engine_IErrorData_ErrorDataCode) | Type of the error messages.<br><br>JSON property name: qErrorDataCode |
| [ErrorString](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IErrorData.ErrorString.htm#Qlik_Engine_IErrorData_ErrorString) | Detailed information about the error message.<br><br>JSON property name: qErrorString |
| [Line](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IErrorData.Line.htm#Qlik_Engine_IErrorData_Line) | Script statement where the error occurs.<br><br>JSON property name: qLine |
| [LineEnd](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IErrorData.LineEnd.htm#Qlik_Engine_IErrorData_LineEnd) | Line termination characters.<br><br>JSON property name: qLineEnd |
| [Message](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IErrorData.Message.htm#Qlik_Engine_IErrorData_Message) | JSON property name: qMessage |