query_lambda.swift

private func queryLambdaFunction() {
        
        let params = [
            "car1": "corola",
            "car2": "camery"
        ]
        Alamofire.request(.GET, "https://lgr2oati9b.execute-api.us-east-1.amazonaws.com/prod/carcomparison",parameters: params).response { (request, response, data, error) in
            print(NSString(data: data!, encoding: NSUTF8StringEncoding))
            do {
                
                let serverData = try NSJSONSerialization.JSONObjectWithData(data!, options: .AllowFragments) as? [String: AnyObject]
                print(serverData)
            } catch {
                print("Unable to cast into NSData")
            }
        }
    }