CloudKitRepository+Query.swift

extension CloudKitRepository {
    
    func fetchRecords (ofType type: String, predicate: NSPredicate, completion: @escaping ((_ ctask: [CKRecord]?) -> Void)) {
        
        let query = CKQuery(recordType: type, predicate: predicate)
        privateDB.perform(query, inZoneWith: customZone.zoneID) { (results: [CKRecord]?, error) in
            
            if let results = results {
                completion(results)
            } else {
                completion(nil)
            }
        }
    }
}