# Libtmux_workspace.Plan.check_source

**Workspace Manager concept example** A working example of the core library. It can change without notice.

- **Module:** Libtmux_workspace
- **Package:** libtmux-workspace
- **Language:** OCaml
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-ocaml/blob/205dfda49742592b479247049d186956e4a4cfe9/workspace/libtmux_workspace.mli#L154
- **Public owner:** Libtmux_workspace
- **Page:** https://libtmux.org/en/ocaml/latest/workspace/reference/libtmux_workspace-plan-check_source/

```
val check_source : t -> Libtmux.Source.t option -> (unit, error) result
```

Operational plans are ephemeral and bound to one connection generation. A printed or serialized preview cannot supply operational targets.

## Parameters

- `arg1` (`t`)
- `arg2` (`Libtmux.Source.t option`)