# Qlik.Engine.Extensions Namespace

## Classes

| [DataPageExtensions](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Extensions.DataPageExtensions.htm) |  |
| --- | --- |
| [SizeExtensions](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Extensions.SizeExtensions.htm) |  |
| [UrlExtensions](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Extensions.UrlExtensions.htm) |  |

## Enums

| [CallbackOptions](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Extensions.CallbackOptions.htm) |  |
| --- | --- |
| [VisualizationOptions](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.Extensions.VisualizationOptions.htm) |  |