I know a lot of Ducati owners have hydraulic clutches and this article tells you how to service your hydraulic clutch.
https://www.motorcyclistonline.com/how-to-service-motorcycles-hydraulic-clutch/
Not always an 8mm hex on the bleeder.
If you've got coffin masters, it's advisable to re-cover the reservoirs while bleeding, to avoid showering brake fluid on your bike from the bleed port.