# plan.Op.declared_option_scope

- **Module:** plan.Op
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/plan.rs#L806
- **Page:** https://libtmux.org/reference/rs/plan-op-declared_option_scope/

```
plan.Op.declared_option_scope(self) -> Option<(&std::ffi::OsStr, crate::OptionScope)>
```

Where a step tells tmux to keep an option, for the steps that write one.