## Get Chrome DevTools Protocol schema.

`client.browserRendering.devtools.browser.protocol(stringsessionID, BrowserProtocolParamsparams, RequestOptionsoptions?): BrowserProtocolResponse`

**get** `/accounts/{account_id}/browser-rendering/devtools/browser/{session_id}/json/protocol`

Returns the complete Chrome DevTools Protocol schema including all domains, commands, events, and types. This schema describes the entire CDP API surface.

### Parameters

- `sessionID: string`

  Browser session ID.

- `params: BrowserProtocolParams`

  - `account_id: string`

    Account ID.

### Returns

- `BrowserProtocolResponse`

  - `domains: Array<Domain>`

    List of protocol domains.

    - `domain: string`

      Domain name.

    - `commands?: Array<Record<string, unknown>>`

      Available commands.

    - `dependencies?: Array<string>`

      Domain dependencies.

    - `events?: Array<Record<string, unknown>>`

      Available events.

    - `experimental?: boolean`

      Whether this domain is experimental.

    - `types?: Array<Record<string, unknown>>`

      Type definitions.

  - `version?: Version`

    Protocol version.

    - `major: string`

      Major version.

    - `minor: string`

      Minor version.

### Example

```typescript
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

const response = await client.browserRendering.devtools.browser.protocol(
  '182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e',
  { account_id: 'account_id' },
);

console.log(response.domains);
```

#### Response

```json
{
  "domains": [
    {
      "domain": "domain",
      "commands": [
        {
          "foo": {}
        }
      ],
      "dependencies": [
        "string"
      ],
      "events": [
        {
          "foo": {}
        }
      ],
      "experimental": true,
      "types": [
        {
          "foo": {}
        }
      ]
    }
  ],
  "version": {
    "major": "major",
    "minor": "minor"
  }
}
```