# server.builder.ServerBuilder.config_file

- **Module:** server.builder.ServerBuilder
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/libtmux/src/server/builder.rs#L206
- **Page:** https://libtmux.org/en/rs/latest/reference/server-builder-serverbuilder-config_file/

```
server.builder.ServerBuilder.config_file(mut, path: impl Into<PathBuf>) -> Self
```

Select a tmux configuration file.

## Example

```rust
let server = libtmux::Server::builder()
    .config_file("/tmp/libtmux-config-example.conf")
    .build()?;
assert!(server.config_file().is_some());
```