How to have SwiftUI custom slider play Continuous Haptic

Question

I have a custom SwiftUI slider and I was trying to have it play a continuous haptic that increases in sharpness as the value increases. However, I have been unable to get it to play continuous haptics but have gotten transient haptics to work.

 private func view(geometry: GeometryProxy) -> some View {
        let frame = geometry.frame(in: .global)
        let drag = DragGesture(minimumDistance: 0).onChanged({ drag in
            self.onDragChange(drag, frame) }
        )
        let offsetX = self.getOffsetX(frame: frame)
        
        let knobSize = CGSize(width: knobWidth ?? frame.height, height: frame.height)
        let barLeftSize = CGSize(width: CGFloat(offsetX + knobSize.width * 0.5), height:  frame.height)
        let barRightSize = CGSize(width: frame.width - barLeftSize.width, height: frame.height)
        
        let modifiers = CustomSliderComponents(
            barLeft: CustomSliderModifier(name: .barLeft, size: barLeftSize, offset: 0),
            barRight: CustomSliderModifier(name: .barRight, size: barRightSize, offset: barLeftSize.width),
            knob: CustomSliderModifier(name: .knob, size: knobSize, offset: offsetX))
        
        return ZStack { viewBuilder(modifiers).gesture(drag) }
    }
    
    private func onDragChange(_ drag: DragGesture.Value,_ frame: CGRect) {
        let width = (knob: Double(knobWidth ?? frame.size.height), view: Double(frame.size.width))
        let xrange = (min: Double(0), max: Double(width.view - width.knob))
        var value = Double(drag.startLocation.x + drag.translation.width) // knob center x
        value -= 0.5*width.knob // offset from center to leading edge of knob
        value = value > xrange.max ? xrange.max : value // limit to leading edge
        value = value < xrange.min ? xrange.min : value // limit to trailing edge
        value = value.convert(fromRange: (xrange.min, xrange.max), toRange: range)
        self.value = value
        print("KNOB IS MOVING. The value is: \(self.value)")
        hapticEngine.playTransientHaptic(sharpness: Float(value))
    }