# tmux_model:model_version/1

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_model.erl#L254
- **Page:** https://libtmux.org/en/erlang/latest/reference/tmux_model-model_version-1/

```
model_version/1
-spec model_version(row()) -> pos_integer().
```

Read the native model version. Unknown versions fail validation; record internals are not a persistence format.

## Parameters

- `Argument1` (`row()`)