# CustomErrorMessage Class

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

Defines custom error messages.

## Inheritance

* System.Object
  * [AbstractStructure](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Engine.AbstractStructure.htm)
    * CustomErrorMessage

## Syntax

```
public class CustomErrorMessage : AbstractStructure, IDisposable, ICustomErrorMessage, IAbstractStructure
```

## Constructors

| Name | Description |
| --- | --- |
| [CustomErrorMessage()](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.Visualizations.Components.CustomErrorMessage.-ctor.htm#Qlik_Sense_Client_Visualizations_Components_CustomErrorMessage__ctor) | Creates an instance of the CustomErrorMessage class |

## Properties

| Name | Description |
| --- | --- |
| [CalcCond](https://help.qlik.com/en-US/sense-developer/November2024/Subsystems/NetSDKAPIref/Content/Qlik.Sense.Client.Visualizations.Components.CustomErrorMessage.CalcCond.htm#Qlik_Sense_Client_Visualizations_Components_CustomErrorMessage_CalcCond) | DEPRECATED: Use qCalcCondition.qMsg instead<br><br>JSON property name: calcCond |