code: func (r Billing_Item_Cancellation_Request) GetItems() (resp []datatypes.Billing_Item_Cancellation_Request_Item, err error) {
  	err = r.Session.DoRequest("SoftLayer_Billing_Item_Cancellation_Request", "getItems", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve A collection of service cancellation items.