# Magic Keycodes :id=magic-keycodes **Magic Keycodes** are prefixed with `MAGIC_`, and allow you to access the functionality of the deprecated Bootmagic feature *after* your keyboard has initialized. To use the keycodes, assign them to your keymap as you would any other keycode. |Key |Aliases |Description | |-------------------------------------|---------|--------------------------------------------------------------------------| |`QK_MAGIC_SWAP_CONTROL_CAPS_LOCK` |`CL_SWAP`|Swap Caps Lock and Left Control | |`QK_MAGIC_UNSWAP_CONTROL_CAPS_LOCK` |`CL_NORM`|Unswap Caps Lock and Left Control | |`QK_MAGIC_TOGGLE_CONTROL_CAPS_LOCK` |`CL_TOGG`|Toggle Caps Lock and Left Control swap | |`QK_MAGIC_CAPS_LOCK_AS_CONTROL_ON` |`CL_CTRL`|Treat Caps Lock as Control | |`QK_MAGIC_CAPS_LOCK_AS_CONTROL_OFF` |`CL_CAPS`|Stop treating Caps Lock as Control | |`QK_MAGIC_SWAP_ESCAPE_CAPS_LOCK` |`EC_SWAP`|Swap Caps Lock and Escape | |`QK_MAGIC_UNSWAP_ESCAPE_CAPS_LOCK` |`EC_NORM`|Unswap Caps Lock and Escape | |`QK_MAGIC_TOGGLE_ESCAPE_CAPS_LOCK` |`EC_TOGG`|Toggle Caps Lock and Escape swap | |`QK_MAGIC_SWAP_LCTL_LGUI` |`CG_LSWP`|Swap Left Control and GUI | |`QK_MAGIC_UNSWAP_LCTL_LGUI` |`CG_LNRM`|Unswap Left Control and GUI | |`QK_MAGIC_SWAP_RCTL_RGUI` |`CG_RSWP`|Swap Right Control and GUI | |`QK_MAGIC_UNSWAP_RCTL_RGUI` |`CG_RNRM`|Unswap Right Control and GUI | |`QK_MAGIC_SWAP_CTL_GUI` |`CG_SWAP`|Swap Control and GUI on both sides | |`QK_MAGIC_UNSWAP_CTL_GUI` |`CG_NORM`|Unswap Control and GUI on both sides | |`QK_MAGIC_TOGGLE_CTL_GUI` |`CG_TOGG`|Toggle Control and GUI swap on both sides | |`QK_MAGIC_SWAP_LALT_LGUI` |`AG_LSWP`|Swap Left Alt and GUI | |`QK_MAGIC_UNSWAP_LALT_LGUI` |`AG_LNRM`|Unswap Left Alt and GUI | |`QK_MAGIC_SWAP_RALT_RGUI` |`AG_RSWP`|Swap Right Alt and GUI | |`QK_MAGIC_UNSWAP_RALT_RGUI` |`AG_RNRM`|Unswap Right Alt and GUI | |`QK_MAGIC_SWAP_ALT_GUI` |`AG_SWAP`|Swap Alt and GUI on both sides | |`QK_MAGIC_UNSWAP_ALT_GUI` |`AG_NORM`|Unswap Alt and GUI on both sides | |`QK_MAGIC_TOGGLE_ALT_GUI` |`AG_TOGG`|Toggle Alt and GUI swap on both sides | |`QK_MAGIC_GUI_OFF` |`GU_OFF` |Disable the GUI keys | |`QK_MAGIC_GUI_ON` |`GU_ON` |Enable the GUI keys | |`QK_MAGIC_TOGGLE_GUI` |`GU_TOGG`|Toggles the status of the GUI keys | |`QK_MAGIC_SWAP_GRAVE_ESC` |`GE_SWAP`|Swap ` and Escape | |`QK_MAGIC_UNSWAP_GRAVE_ESC` |`GE_NORM`|Unswap ` and Escape | |`QK_MAGIC_SWAP_BACKSLASH_BACKSPACE` |`BS_SWAP`|Swap `\` and Backspace | |`QK_MAGIC_UNSWAP_BACKSLASH_BACKSPACE`|`BS_NORM`|Unswap `\` and Backspace | |`QK_MAGIC_TOGGLE_BACKSLASH_BACKSPACE`|`BS_TOGG`|Toggle `\` and Backspace swap state | |`QK_MAGIC_NKRO_ON` |`NK_ON` |Enable N-key rollover | |`QK_MAGIC_NKRO_OFF` |`NK_OFF` |Disable N-key rollover | |`QK_MAGIC_TOGGLE_NKRO` |`NK_TOGG`|Toggle N-key rollover | |`QK_MAGIC_EE_HANDS_LEFT` |`EH_LEFT`|Set the master half of a split keyboard as the left hand (for `EE_HANDS`) | |`QK_MAGIC_EE_HANDS_RIGHT` |`EH_RGHT`|Set the master half of a split keyboard as the right hand (for `EE_HANDS`)|