# WindowPlan.environment

- **Package:** TmuxWorkspace
- **Language:** Swift
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-swift/blob/7993e7044347629b08020e9b02ae8bcffa0e5898/Sources/TmuxWorkspace/Workspace.swift#L86
- **Page:** https://libtmux.org/en/swift/latest/workspace/reference/windowplan-environment/

Environment entries for the window's first pane, unless that pane names its own. `nil` means no window-level entries were given.