     Query.SearchScopes = new NSObject [] {                 NSMetadataQuery.UbiquitousDocumentsScope,                 NSMetadataQuery.UbiquitousDataScope,                 NSMetadataQuery.AccessibleUbiquitousExternalDocumentsScope             };      // Build a predicate to locate the file by name and attach it to the query     var pred = NSPredicate.FromFormat ("%K == %@"