# LibTmux.Snapshot.Fixture.index

- **Module:** LibTmux.Snapshot.Fixture
- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** record field
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/src/LibTmux/Snapshot/Fixture.hs#L82
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-snapshot-fixture-v-attachedclient-index/

```haskell
index :: !WindowIndex
```

Signature types: [`WindowIndex`](/en/haskell/latest/reference/libtmux-value-t-windowindex/).

Selected window-link index in the attachment session.

## Referenced declarations

- [`LibTmux.Value.WindowIndex`](/en/haskell/latest/reference/libtmux-value-t-windowindex/) (data type)