# server.Server.set_buffer

- **Module:** server.Server
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/server.rs#L763
- **Page:** https://libtmux.org/reference/rs/server-server-set_buffer/

```
server.Server.set_buffer(self, name: Option<&str>, data: impl Into<OsString>) -> Result<(), Error>
```

Store data in a tmux paste buffer.

Passing `None` for the name lets tmux choose one, matching
`set-buffer` without `-b`. The data is marked sensitive.

# Errors

Returns an error when tmux rejects the buffer name or data.