# Entity fields

Source: https://libtmux.org/en/perl/latest/concepts/fields/

> Entity fields: LibTmux documentation.

Generated from the packaged field catalog. Missing fields throw; known null is explicit.

| Entity | Field | Wire | Type | Nullable | tmux source / minimum |
| --- | --- | --- | --- | --- | --- |
| client | height | height | integer | no | [`client_height`](https://libtmux.org/en/tmux/latest/catalog/formats/client_height/) / 3.3a |
| client | id | id | string | no | [`client_name`](https://libtmux.org/en/tmux/latest/catalog/formats/client_name/) / 3.3a |
| client | name | name | string | no | [`client_name`](https://libtmux.org/en/tmux/latest/catalog/formats/client_name/) / 3.3a |
| client | pid | pid | integer | no | [`client_pid`](https://libtmux.org/en/tmux/latest/catalog/formats/client_pid/) / 3.3a |
| client | session | session | relation | yes | captured graph |
| client | tty | tty | bytes | no | [`client_tty`](https://libtmux.org/en/tmux/latest/catalog/formats/client_tty/) / 3.3a |
| client | width | width | integer | no | [`client_width`](https://libtmux.org/en/tmux/latest/catalog/formats/client_width/) / 3.3a |
| pane | active | active | boolean | no | [`pane_active`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_active/) / 3.3a |
| pane | current_command | currentCommand | string | no | [`pane_current_command`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_current_command/) / 3.3a |
| pane | current_path | currentPath | bytes | no | [`pane_current_path`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_current_path/) / 3.3a |
| pane | cursor_shape | cursorShape | string | no | [`cursor_shape`](<https://libtmux.org/en/perl/latest/reference/libtmux-pane-cursor_shape/>) / 3.6 |
| pane | dead | dead | boolean | no | [`pane_dead`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_dead/) / 3.3a |
| pane | exit_status | exitStatus | integer | yes | [`pane_dead_status`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_dead_status/) / 3.3a |
| pane | height | height | integer | no | [`pane_height`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_height/) / 3.3a |
| pane | id | id | string | no | [`pane_id`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_id/) / 3.3a |
| pane | index | index | integer | no | [`pane_index`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_index/) / 3.3a |
| pane | pid | pid | integer | no | [`pane_pid`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_pid/) / 3.3a |
| pane | title | title | string | no | [`pane_title`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_title/) / 3.3a |
| pane | width | width | integer | no | [`pane_width`](https://libtmux.org/en/tmux/latest/catalog/formats/pane_width/) / 3.3a |
| pane | window | window | relation | no | captured graph |
| session | attached | attached | integer | no | [`session_attached`](https://libtmux.org/en/tmux/latest/catalog/formats/session_attached/) / 3.3a |
| session | created | created | integer | no | [`session_created`](https://libtmux.org/en/tmux/latest/catalog/formats/session_created/) / 3.3a |
| session | id | id | string | no | [`session_id`](https://libtmux.org/en/tmux/latest/catalog/formats/session_id/) / 3.3a |
| session | name | name | string | no | [`session_name`](https://libtmux.org/en/tmux/latest/catalog/formats/session_name/) / 3.3a |
| session | path | path | bytes | no | [`session_path`](https://libtmux.org/en/tmux/latest/catalog/formats/session_path/) / 3.3a |
| session | window_links | windowLinks | relation | no | captured graph |
| window | active_pane | activePane | relation | yes | captured graph |
| window | height | height | integer | no | [`window_height`](https://libtmux.org/en/tmux/latest/catalog/formats/window_height/) / 3.3a |
| window | id | id | string | no | [`window_id`](https://libtmux.org/en/tmux/latest/catalog/formats/window_id/) / 3.3a |
| window | layout | layout | string | no | [`window_layout`](https://libtmux.org/en/tmux/latest/catalog/formats/window_layout/) / 3.3a |
| window | links | links | relation | no | captured graph |
| window | name | name | string | no | [`window_name`](https://libtmux.org/en/tmux/latest/catalog/formats/window_name/) / 3.3a |
| window | panes | panes | relation | no | captured graph |
| window | width | width | integer | no | [`window_width`](https://libtmux.org/en/tmux/latest/catalog/formats/window_width/) / 3.3a |
| window_link | active | active | boolean | no | [`window_active`](https://libtmux.org/en/tmux/latest/catalog/formats/window_active/) / 3.3a |
| window_link | id | id | string | no | captured graph |
| window_link | index | index | integer | no | [`window_index`](https://libtmux.org/en/tmux/latest/catalog/formats/window_index/) / 3.3a |
| window_link | session | session | relation | no | captured graph |
| window_link | window | window | relation | no | captured graph |