# IBookmarkFieldPage Interface

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

Defines the range of the bookmark fields that are returned.

## Syntax

```
[ValueClass]
public interface IBookmarkFieldPage
```

## Properties

| Name | Description |
| --- | --- |
| [EndIndex](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IBookmarkFieldPage.EndIndex.htm#Qlik_Engine_IBookmarkFieldPage_EndIndex) | The end value of the range.<br><br>JSON property name: qEndIndex |
| [StartIndex](https://help.qlik.com/en-US/sense-developer/May2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.IBookmarkFieldPage.StartIndex.htm#Qlik_Engine_IBookmarkFieldPage_StartIndex) | The start value of the range.<br><br>JSON property name: qStartIndex |