The host cubase controller has a mask MK3 machine Jam
Control cubase through NI's Controller Editor software settings
As shown in the figure, MK3 has already set a button as a parameter for makie control, but there is no response to it. The settings in cubase seem to be fine, as shown in the figure.
And currently, the new midi mapping function in Cubase12 is not unresponsive (midi learn is unresponsive)