lib/xeroizer/models/invoice.rb in xeroizer-2.16.1 vs lib/xeroizer/models/invoice.rb in xeroizer-2.16.3

@@ -4,9 +4,12 @@
   module Record
 
     class InvoiceModel < BaseModel
       # To create a new invoice, use the folowing
       # $xero_client.Invoice.build(type: 'ACCREC', ..., contact: {name: 'Foo Bar'},...)
+      # However for existing contacts, it is better to reference them by contactid (only)
+      # see http://developer.xero.com/documentation/api/contacts/
+      # $xero_client.Invoice.build(type: 'ACCREC', ..., contact: {contact_id: 'foo123-bar456-guid'},...)
       # Note that we are not making an api request to xero just to get the contact
 
       set_permissions :read, :write, :update
 
       include AttachmentModel::Extensions