# tmux_version:require/1

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_version.erl#L58
- **Page:** https://libtmux.org/en/erlang/latest/reference/tmux_version-require-1/

```
require(Raw)
-spec require(binary()) ->
                 {ok, t()} |
                 {error,
                  {invalid_tmux_version |
                   unsupported_tmux_version,
                   term()}}.
```

Reject a tmux release below the supported floor.

## Examples

```erlang
1> {ok, Version} = tmux_version:require(<<"tmux 3.3a">>), ok.
ok
2> tmux_version:at_least(Version, {3, 4}).
false
```

## Parameters

- `Raw` (`binary()`)