---
title: "PageSwapEventInit | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface PageSwapEventInit

interface PageSwapEventInit {  
    [activation](#activation)?: [NavigationActivation](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.NavigationActivation/) | null;  
    [bubbles](#bubbles)?: boolean;  
    [cancelable](#cancelable)?: boolean;  
    [composed](#composed)?: boolean;  
    [viewTransition](#viewtransition)?: [ViewTransition](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.ViewTransition/) | null;  
}

#### Hierarchy ([View Summary](https://docs.maptiler.com/sdk-js/api-reference/hierarchy/#Externals.PageSwapEventInit))

-   [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/)
    -   PageSwapEventInit

##### Index

### Properties[](#properties)

[activation?](#activation) [bubbles?](#bubbles) [cancelable?](#cancelable) [composed?](#composed) [viewTransition?](#viewtransition)

## Properties[](#properties-1)

### `Optional`activation[](#activation)

activation?: [NavigationActivation](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.NavigationActivation/) | null

### `Optional`bubbles[](#bubbles)

bubbles?: boolean

Inherited from [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/).[bubbles](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/#bubbles)

### `Optional`cancelable[](#cancelable)

cancelable?: boolean

Inherited from [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/).[cancelable](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/#cancelable)

### `Optional`composed[](#composed)

composed?: boolean

Inherited from [EventInit](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/).[composed](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.EventInit/#composed)

### `Optional`viewTransition[](#viewtransition)

viewTransition?: [ViewTransition](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.ViewTransition/) | null