# ToolError.notAllowed(_:value:allowed:)

- **Module:** ToolError
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-swift/blob/f02a4668570e1cc5198c941413750e021f42c214/Sources/LibTmuxMCP/ToolCatalog.swift#L402
- **Page:** https://libtmux.org/reference/swift/toolerror-notallowed(_-value-allowed-)/