Error creating a custom PageView in SwiftUI 2 - swiftui

Question

I am working on an app that requires 6 items in a PageView, xcode was acting up so i came on Stack Overflow and found pawello2222's way, found it really helpful but I still need to connect it to the horizontal links on top. here is the code, thanks a million.
Original solution: How can I implement PageView in SwiftUI?
Below is my code and what I want to achieve, swiping left or right works, but clicking on the links does not change the view
struct TestingView: View {
#State var selection = 0
var body: some View {
VStack {
HStack(spacing: 10) {
VStack {
Text("Link 1")
.foregroundColor(self.selection == 0 ? Color.blue : Color("Silver").opacity(0.7))
.font(.caption)
.fontWeight(.bold)
.clipShape(Rectangle())
.onTapGesture {
withAnimation(.default) {
self.selection = 0
}
}
}
Spacer(minLength: 0)
VStack {
Text("Link 2")
.foregroundColor(self.selection == 1 ? Color.blue : Color("Silver").opacity(0.7))
.font(.caption)
.fontWeight(.bold)
.clipShape(Rectangle())
.onTapGesture {
withAnimation(.default) {
self.selection = 1
}
}
}
Spacer(minLength: 0)
VStack {
Text("Link 3")
.foregroundColor(self.selection == 2 ? Color.blue : Color("Silver").opacity(0.7))
.font(.caption)
.fontWeight(.bold)
.clipShape(Rectangle())
.onTapGesture {
withAnimation(.default) {
self.selection = 2
}
}
}
}
PageView(selection: $selection, indexDisplayMode: .never, indexBackgroundDisplayMode: .never) {
VStack {
FirstView()
}
.tag(0)
VStack {
SecondView()
}
.tag(1)
VStack {
ThirdView()
}
.tag(2)
}
}
}
}