Optional ReadonlycurrencyReadonlycustomer_Optional Readonlycustomer_ReadonlydateReadonlydeadlineOptional ReadonlydiscountReadonlydraftOptional Readonlyexternal_Optional Readonlyinvoice_Readonlyinvoice_Optional ReadonlylanguageOptional Readonlypdf_Optional Readonlypdf_Optional Readonlypdf_Optional Readonlyspecial_Optional Readonlytransaction_
Payload for creating a draft customer invoice.