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[#1123]: Document ctx.app.emit #1284

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[#1123]: Document ctx.app.emit #1284

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4 changes: 4 additions & 0 deletions docs/api/context.md
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Expand Up @@ -62,6 +62,10 @@ ctx.state.user = await User.find(id);

Application instance reference.

### ctx.app.emit

Koa applications extend an internal [EventEmitter](https://nodejs.org/dist/latest-v11.x/docs/api/events.html). `ctx.app.emit` emits an event with a type, defined by the first argument. For each event you can hook up "listeners", which is a function that is called when the event is emitted. Consult the [error handling docs](https://koajs.com/#error-handling) for more information.

### ctx.cookies.get(name, [options])

Get cookie `name` with `options`:
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