Optional ReadonlycurrencyReadonlycustomer_Optional Readonlycustomer_ReadonlydateReadonlydeadlineOptional ReadonlydiscountOptional Readonlyexternal_Optional Readonlyinvoice_Readonlyinvoice_Optional ReadonlylanguageOptional Readonlypdf_Optional Readonlypdf_Optional Readonlypdf_Optional Readonlyspecial_Optional Readonlytransaction_
Base payload for creating a customer invoice.