# tmux_filter:prepared/0

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_filter.erl#L49
- **Page:** https://libtmux.org/en/erlang/latest/reference/t-tmux_filter-prepared-0/

```
-opaque prepared().
```

A cached evaluator bound to one captured observation and schema context.