Manage Intercompany Receivables Assignments

Good day,

in our current business process, we have requirements to generate intercompany receivables and payables transaction, as the holding company provide some services to other companies,

but the requirement is that the generated AR bill should have a type of Debit Memo not Invoice

so, I created a new transaction type with a transaction class of Debit Memo, but when am trying to assign it using

Manage Intercompany Receivables Assignments

The transaction type is not showing in the list of values