# TmuxError.commandFailed(command:exitCode:reason:)

- **Module:** TmuxError
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-swift/blob/f02a4668570e1cc5198c941413750e021f42c214/Sources/LibTmux/TmuxError.swift#L25
- **Page:** https://libtmux.org/reference/swift/tmuxerror-commandfailed(command-exitcode-reason-)/

tmux received a typed command but rejected it.

Only the command name is retained; arguments may contain pane text,
environment values, or other caller data that does not belong in an error.