ScrollView How to clip view

 ScrollView (.vertical, showsIndicators: false) {

     ZStack(alignment: .top) {           
         GeometryReader { insideProxy in
             Color.clear
             // get offset
         } // GeometryReader inside
         VStack(alignment: .leading, spacing: 10) {
             HStack(alignment: .center, spacing: 5){
                 Text("A").font(.tableData).frame(width: 75, height: 50, alignment: .center)
             }
             HStack(alignment: .center, spacing: 5){
                 Text("B").font(.tableData).frame(width: 75, height: 50, alignment: .center)
             }
             HStack(alignment: .center, spacing: 5){
                 Text("C").font(.tableData).frame(width: 75, height: 50, alignment: .center)
             }
             HStack(alignment: .center, spacing: 5){
                 Text("D").font(.tableData).frame(width: 75, height: 50, alignment: .center)
             }
         } // VStack
     } // ZStack
 } // Scrollview
 .clipped()           // << here !!

references:

https://stackoverflow.com/questions/63943777/swiftui-scrollview-contents-are-outside-scrollable-area