Golang gomaz aws, dynamodb PutItem

gistfile1.txt

package main

import (
	"fmt"
	"github.com/AdRoll/goamz/aws"
	"github.com/AdRoll/goamz/dynamodb"
	"log"
	"strings"
)

func main() {

	auth, _ := aws.EnvAuth()
	nv := aws.NeverRetryPolicy{}
	ddbs := dynamodb.Server{auth, aws.USEast, nv}
	response, err := ddbs.ListTables()
	pkattr := dynamodb.NewStringAttribute("Url", "")
	pk := dynamodb.PrimaryKey{pkattr, nil}
	table := dynamodb.Table{&ddbs, "urls", pk}
	k := dynamodb.NewStringAttribute("Test", "test")
	ok, err := table.PutItem("http://google.com", "", []dynamodb.Attribute{*k})

	fmt.Println(ok)
	if err != nil {
		log.Fatal(err.Error())
	}

	fmt.Printf("The tablenames are %s!", strings.Join(response, ", "))
}