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# Crosspost

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> ### net.app.core.crosspost

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The crosspost annotation is meant to specify the original or canonical source of a Post on App.net from somewhere else on the web.

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## Example

~~~ js
{
    "type": "net.app.core.crosspost",
    "value": {
        "canonical_url": "https://twitter.com/AppDotNet/status/234705338849443840",
    }
}
~~~

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## Fields

| Field         | Required? | Type   | Description                                                 |
| -----         | --------- | ----   | -----------                                                 |
| canonical_url | Required  | string | A valid URL pointing to the source of the original content. |

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## Maintainers
* App.net core team

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## Used by
* [Alpha](https://alpha.app.net)
* [Patter](http://patter-app.net)
* [Blog for app.net](http://blog-app.net)

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## Related annotations