# ToolArgument.allowed

- **Module:** ToolArgument
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-swift/blob/f02a4668570e1cc5198c941413750e021f42c214/Sources/LibTmuxMCP/ToolCatalog.swift#L65
- **Page:** https://libtmux.org/reference/swift/toolargument-allowed/

The only values accepted, when there is a fixed set. Reaches the schema as `enum`, so a client can offer them rather than guess.