This is a custom multiline SwiftUI TextView integrated from UITextView

NotesTextView.swift

import SwiftUI
import UIKit

struct NotesTextView: UIViewRepresentable {

    @Binding var text: String

    class Coordinator: NSObject, UITextViewDelegate {
        @Binding var text: String

        init(text: Binding<String>) {
            _text = text
        }

        func textViewDidChangeSelection(_ textView: UITextView) {
            text = textView.text ?? ""
        }
    }

    func makeUIView(context: Context) -> UITextView {
        let textView = UITextView(frame: .zero)
        textView.delegate = context.coordinator
        textView.font = UIFont.systemFont(ofSize: 17, weight: .regular)
        textView.textContainerInset = UIEdgeInsets(top: 8, left: -5, bottom: 8, right: 0)
        return textView
    }

    func makeCoordinator() -> Coordinator {
        return Coordinator(text: $text)
    }

    func updateUIView(_ uiView: UITextView, context: Context) {
        uiView.text = text
    }

}