Modulation in halion 5

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Cutoff Offset
Modulates the cutoff offset of the second filter in serial or parallel mode. For example, assign the modulation wheel to lower or raise the cutoff of the second filter while you play.
Resonance Offset
Modulates the resonance offset of the second filter in serial or parallel mode. For example, assign the modulation wheel to lower or raise the resonance of the second filter while you play.
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In the Modulation Matrix, select User Envelope as Source and Cutoff Offset as Destination. Done in a few seconds. Hope it’s fast enough for you and that it works for your sound design.