# LibTmux.Pane.send_keys!/4

- **Module:** LibTmux
- **Package:** libtmux
- **Language:** Elixir
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-elixir/blob/66b9b1c3f3f3186428abdfda2c76f5cf87446710/lib/libtmux/entities.ex#L362
- **Page:** https://libtmux.org/en/elixir/latest/reference/libtmux-pane-send_keys-bang-4/

```
send_keys!(connection, ref, keys, options \\ [])
@spec send_keys!(
        LibTmux.Action.connection(),
        LibTmux.Ref.t(),
        [String.t()],
        [LibTmux.Action.option()]
      ) ::
        :ok
```

Returns `:ok` when `send_keys/4` completes; raises API errors or `LibTmux.Action.CompletionError` otherwise.

## Parameters

- `connection` (`LibTmux.Action.connection()`)
- `ref` (`LibTmux.Ref.t()`)
- `keys` (`[String.t()]`)
- `options` (`[LibTmux.Action.option()]`)