# viewTransition

**Kind:** Constant

**Source:** [`src/helper/css/index.ts`](https://github.com/honojs/hono/blob/main/src/helper/css/index.ts#L255)

**Part of:** [Helper](subsystem-src-helper)

## Definition

```ts
defaultContext.viewTransition
```

## Value

```ts
defaultContext.viewTransition
```