# tmux_select:cardinality_error/0

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_select.erl#L47
- **Page:** https://libtmux.org/en/erlang/latest/reference/t-tmux_select-cardinality_error-0/

This type appears in public signatures. It is not a package entry point.

```
-type cardinality_error() ::
          {error,
           no_match | {multiple_matches, #{at_least := 2}}}.
```