# Knowledge-base menu bindings

Only KNOWLEDGE sites support menu bindings. Binding and unbinding change the menu for ALL employees of the Bitrix24 account. Menu codes are internal Bitrix24 codes; existing codes are visible in the bindings list.

Requires the landing key scope. Optional query scope: KNOWLEDGE, GROUP or MAINPAGE.

| Operation | Purpose |
|---|---|
| [List](./menu-bindings/list) | Read bindings with an optional filter |
| [Bind](./menu-bindings/bind) | Create a binding for your site |
| [Unbind](./menu-bindings/unbind) | Remove one binding |

Site existence and type are checked before writes; a false Bitrix24 acknowledgement returns 422. Successful actions return state read back.

[Sites](../sites)