# tmux.NewWindowRequest.KillExisting

- **Module:** tmux.NewWindowRequest
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-go/blob/52968a3181c1c9e6d1b26c565d4b170968ae61c0/tmux/window_lifecycle.go#L46
- **Page:** https://libtmux.org/en/go/latest/reference/tmux-newwindowrequest-killexisting/

KillExisting asks tmux to destroy a window occupying the target index.