Is there a way to generate automation keyframes?

Cubase newb question… Is there a way to create automation keyframes without manually drawing them?

I’d like to control a vst plugin parameter in a precise way. For example, oscillating a value between 1 and -1 at a rate of 1/min.

I know that I can spend hours into days into weeks drawing in keyframes by hand. But is there a way to just specify the range and rate of change and generate the curves?

Or if that can’t be done natively in cubase, is there a plugin that can do it?