Sample function for converting data into a bookmark with security scope.

getBookmarkedURL.swift

import Foundation

func getBookmarkedURL(data: Data) -> URL? {
    var isStale = false
    do {
        let url = try URL(resolvingBookmarkData: data, options: .withSecurityScope, relativeTo: nil, bookmarkDataIsStale: &isStale)
        debugPrint("\(DebuggingIdentifiers.actionOrEventInProgress) getBookmarkedURL is Stale ? : \(isStale) | url: \(url).")

        guard !isStale, url.startAccessingSecurityScopedResource() else {
            debugPrint("\(DebuggingIdentifiers.actionOrEventFailed) getBookmarkedURL - bookmark has expired. Request access again to proceed.")
            // TO DO: Mark Bookmark as stale
            return nil
        }
        return url
    } catch {
        debugPrint(" \(DebuggingIdentifiers.actionOrEventFailed) getBookmarkedURL - error \(error.localizedDescription).")
        return nil
    }
}