# GoogleCloudAuthPlugin

class in `3d-tiles-renderer/core/plugins`

```js
import { GoogleCloudAuthPlugin } from '3d-tiles-renderer/core/plugins';
```

Plugin for authenticating requests to the Google Cloud Maps APIs, including the
Photorealistic 3D Tiles and 2D Map Tiles APIs. Handles session-token management,
per-tile attribution collection, and optional logo attribution.

Example: Loading Google Photorealistic 3D Tiles

```js
import { TilesRenderer } from '3d-tiles-renderer/three';
import { GoogleCloudAuthPlugin } from '3d-tiles-renderer/core/plugins';

const tiles = new TilesRenderer();
tiles.registerPlugin( new GoogleCloudAuthPlugin( {
	apiToken: 'YOUR_GOOGLE_API_KEY',
	autoRefreshToken: true,
} ) );
```

## Constructor

```js
new GoogleCloudAuthPlugin( options: Object )
```

- `options`, `Object`
  - `apiToken`, `string`
  - `sessionOptions`, `Object | null`, optional, default `null`
  - `autoRefreshToken`, `boolean`, optional, default `false`
  - `logoUrl`, `string | null`, optional, default `null`
  - `useRecommendedSettings`, `boolean`, optional, default `true`

## Properties

### .apiToken: string

The Google Cloud API key.

### .useRecommendedSettings: boolean

Whether to apply recommended renderer settings for photorealistic tiles.

### .logoUrl: string | null

URL of a logo image to include in attribution output, or null if not set.

### .tiles: Object | null

The TilesRenderer instance this plugin is registered with.