# libtmux.Server:set_environment

- **Module:** libtmux.Server
- **Package:** libtmux
- **Language:** Lua
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-lua/blob/547c9c4228e07ebf846690eb44da2eeeb6fde922/lua/libtmux/_internal/server.lua#L627
- **Page:** https://libtmux.org/en/lua/latest/reference/libtmux-server-set_environment/

```
libtmux.Server:set_environment(name: string, value: string, options: libtmux.EnvironmentSetOptions? = nil) -> libtmux.Request<boolean>
```