# NativeMessagingChannel

[**@openpolyfill/firefox-addon-playwright-harness**](/docs/api/reference)

***

[@openpolyfill/firefox-addon-playwright-harness](/docs/api/reference/globals) / NativeMessagingChannel

# Type Alias: NativeMessagingChannel

> **NativeMessagingChannel** = [`NativeMessagingDirection`](/docs/api/reference/type-aliases/NativeMessagingDirection) \| `"stderr"`

Defined in: [src/native-messaging-observer.ts:7](https://github.com/OpenPolyfill/FirefoxAddonPlaywrightHarness/blob/9532a852e3623332cfb2eacd964ebdb4045220e5/src/native-messaging-observer.ts#L7)