PDF View in SwiftUI

PDFKitView.swift

import SwiftUI
import PDFKit

struct PDFPage: View {
    var body: some View {
        
        let url = URL(string: "https://web.stanford.edu/class/archive/cs/cs161/cs161.1168/lecture4.pdf")!
        
        let pdfDoc = PDFDocument(url: url)!
        
        ZStack {
            Color.yellow
            
            PDFKitView(showing: pdfDoc)
        }
        .ignoresSafeArea()
    }
    
    struct PDFKitView: UIViewRepresentable {
        
        let pdfDocument: PDFDocument
        
        init(showing pdfDoc: PDFDocument) {
            self.pdfDocument = pdfDoc
        }
        
        //you could also have inits that take a URL or Data
        
        func makeUIView(context: Context) -> PDFView {
            let pdfView = PDFView()
            pdfView.document = pdfDocument
            pdfView.autoScales = true
            return pdfView
        }
        
        func updateUIView(_ pdfView: PDFView, context: Context) {
            pdfView.document = pdfDocument
        }
    }
}

How would you get user input example the link and process it?