(worker-interface)=
# Worker interface
In Juju, the **worker interface** is a Go interface in the Go [`worker`](worker-package.md) library that defines the
`Kill()` and
`Wait()` methods implemented by any Juju [worker](worker.md).


> See more: [Go packages | `worker` > `worker.go`](https://github.com/juju/worker/blob/v3.3.0/worker.go)