MediumPost_Do2.swift

if let resultJson: [String:AnyObject] = response.result.value as! [String:AnyObject]!{                    
    if let jsonItem: NSString = resultJson["access_token"] as? NSString{
        AlamofireLRQDO.saveToken(jsonItem.description)
        completion(CookMinuteConstantes.responseOK)
    } else {
        completion(CookMinuteConstantes.responseFailed)
    }
} else {
    completion(CookMinuteConstantes.responseFailed)
}