List products of an invoice (api)

List products of an invoice (api)

Hello, I am trying to do the following, and I have no success.
My goal is to list the products of an invoice, how do?

https://crm.zoho.com/crm/private/xml/Products/getRelatedRecords?authtoken=2ef84d6b7a440a8500998674c2ff6d1e&scope=crmapi &id=1117872000000625003&parentModule=Invoices


tanks