func NewCustomer(customerId string, cardToken string) *Customer {
customer := &Customer{}
customer.Client = base.NewClient()
customer.Card = &base.CreditCard{}
customer.Subscription = &base.Subscription{}
customer.Id = customerId
customer.Card.Token = cardToken
return customer
}
func init() {
client = conekta.NewClient()
client.ApiKey = "<api_key>"
}