# LibTmux.Snapshot.ref

- **Module:** LibTmux.Snapshot
- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** record field
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/internal/LibTmux/Internal/Graph.hs
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-snapshot-v-session-ref/

```haskell
ref :: !SessionRef
```

Signature types: [`SessionRef`](/en/haskell/latest/reference/libtmux-snapshot-t-sessionref/).

Target identity in the observation's generation.

## Referenced declarations

- [`LibTmux.Snapshot.SessionRef`](/en/haskell/latest/reference/libtmux-snapshot-t-sessionref/) (data type)