func (i *IAM) ListUsers(cli *iam.IAM) { req := &iam.ListUsersInput{} resp, err := cli.ListUsers(req) raiseError(err) if len(resp.Users) < 1 { fmt.Println("not found") return } for i := 0; i < len(resp.Users); i++ { fmt.Printf("User[%s] %s\n", *resp.Users[i].UserId, *resp.Users[i].UserName, ) } }