# tmux_server:origin/1

- **Package:** libtmux_erlang
- **Language:** Erlang
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-erlang/blob/d1b6308440cf9eb8f6647e7ae434bce60e849368/apps/libtmux_erlang/src/tmux_server.erl#L282
- **Page:** https://libtmux.org/en/erlang/latest/reference/tmux_server-origin-1/

```
origin(Server)
-spec origin(t()) -> {ok, reference()} | {error, map()}.
```

Return the registered opaque origin for this open endpoint. The token provides library provenance and generation checks, not authorization against trusted Erlang code. It is not a portable identifier.

## Parameters

- `Server` (`t()`)