Canon EOS R50 Mirrorless Camera (White) - Manual (Page 714)

3.
Register the desired items.
Select [ OK ].
Current camera settings are registered to the Custom shooting mode.
Automatic Update of Registered Settings
If you change a setting while shooting in Custom shooting mode, the mode can be
automatically updated with the new setting (Auto update). To enable this automatic update,
set [
Auto update set. ] to [ Enable ] in step 2.
714