# field_types.FormatIdentityType

- **Module:** field_types
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-ts/blob/3fe1ca654b81b8cbf4a13b777a001a3298c87a6f/packages/libtmux/src/field_types.ts#L216
- **Page:** https://libtmux.org/en/ts/latest/reference/field_types-formatidentitytype/

The three shapes that name a tmux object rather than describe one.

A field of one of these types carries an id a handle can be rebuilt from,
which is why the row types refuse to report them as empty.