JSON Stringify method Swift 3 implementation

    func JSONStringify(value: [String: AnyHashable],prettyPrinted:Bool = false) -> String{
        let options = prettyPrinted ? JSONSerialization.WritingOptions.prettyPrinted : JSONSerialization.WritingOptions(rawValue: 0)
        
        if JSONSerialization.isValidJSONObject(value) {
            do {
                let data = try JSONSerialization.data(withJSONObject: value, options: options)
                if let string = NSString(data: data, encoding: String.Encoding.utf8.rawValue) {
                    return string as String
                }
            } catch {
                print("error")
            }
        }
        
        return ""
    }