# tmux_snapshot:entity_coverage/0

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_snapshot.erl#L49
- **Page:** https://libtmux.org/en/erlang/latest/reference/t-tmux_snapshot-entity_coverage-0/

```
-type entity_coverage() ::
          #{collection := complete | not_loaded,
            fields :=
                #{atom() =>
                      loaded | not_loaded | unavailable},
            relations :=
                #{atom() => complete | not_loaded}}.
```

Collection completeness, field availability and relationship completeness. A loaded field can hold a known value or known absence; inspect the row to distinguish them. not_loaded never means empty, and unavailable never means known absence. Completeness is relative to the captured source collection.