Can You Add Fork Oil Without Removing Forks?

Can You Add Fork Oil Without Removing Forks? Can you add fork oil without removing forks? https://www.youtube.com/watch?v=LoBhWOKChdw Can you add fork oil through bleeder? With the forks off the bike, take the air-bleed screw out of the fork cap. Turn the forks upside down and place a graduated cup (the syringe with the plunger removed