# CUI Command [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [Commands](Help%20System/GSTARCAD/2021/Commands/(Commands).md) → [C](Help%20System/GSTARCAD/2021/Commands/C/(C).md) The CUI command is used to manage elements in the Customize User Interface. ## Command Access: > **Menu:** Tools \> Customize \>Interface... > **Command:** CUI ## Function Description: After executing this command, it displays the Customize User Interface dialog box. Users could manage some elements in the Customize User Interface, for example, Workspace, Toolbars, Menus, Ribbon, Shortcut Menus, Keyboard Shortcuts. ## Other versions with matching text [GstarCAD 2016](../../../2016/Commands/C/CUI%20Command.md) · [GstarCAD 2017](../../../2017/Commands/C/CUI%20Command.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/Commands/C/CUI%20Command.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/Commands/C/CUI%20Command.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/Commands/C/CUI%20Command.md)