storage_save.swift

func StorageSave(key: String, value: String){
    
    let appDelegate = UIApplication.shared.delegate as! AppDelegate


    let context = appDelegate.persistentContainer.viewContext
    let store = context.persistentStoreCoordinator?.persistentStores.first
    
    let coordinator = context.persistentStoreCoordinator

   

    
    if let store = context.persistentStoreCoordinator?.persistentStores.first {
        let metadata = fillMetadata(store: store, key: key, value: value)
        store.metadata = metadata
        do {
            try coordinator?.setMetadata(["push_url": value], for: store)
            try context.save()
        } catch {
            
        }
        
    }
    
   
    
    
}