Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 424)

2.
Select an option.
Half-press
Specify the function performed by pressing the shutter button halfway.
Fully-press
Specify the function performed by pressing the shutter button
completely.
With [ Fully-press ] set to [ Start/stop mov rec ], you can start/stop movie
recording not only with the movie shooting button but also by pressing the
shutter button completely, or by using Remote Switch RS-60E3 (sold
separately).
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