# types.RespawnOptions.environment

- **Module:** types
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-ts/blob/073b9d7dedad900bff6f5ec0ea47794e40225870/packages/libtmux/src/types.ts#L716
- **Page:** https://libtmux.org/en/ts/latest/reference/types-respawnoptions-environment/

Variables to set in the respawned process, tmux's `-e`.

Each pair is passed as its own flag, so a value containing `=` arrives
whole rather than being split at the first one.
