# client.overlay_key

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tmux.h#L1755
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-struct-client-overlay_key/

```c
overlay_key_cb overlay_key;
```

## Referenced by

- [`server_client_clear_overlay`](/en/tmux/3.2a/reference/c-function-server_client_clear_overlay/) (function)
- [`server_client_handle_key`](/en/tmux/3.2a/reference/c-function-server_client_handle_key/) (function)
- [`server_client_set_overlay`](/en/tmux/3.2a/reference/c-function-server_client_set_overlay/) (function)

## Referenced declarations

- [`overlay_key_cb`](/en/tmux/3.2a/reference/c-typedef-overlay_key_cb/) (typealias)