ENUM
Methods to use when ordering InvoiceItem.
InvoiceItem
enum InvoiceItemsOrderBy {NATURALID_ASCID_DESCINVOICE_DOCUMENT_ID_ASCINVOICE_DOCUMENT_ID_DESCPOS_NO_ASCPOS_NO_DESCTITLE_ASCTITLE_DESCDESCRIPTION_ASCDESCRIPTION_DESCORDER_NO_ASCORDER_NO_DESCDELIVERY_NO_ASCDELIVERY_NO_DESCPRODUCT_NO_ASCPRODUCT_NO_DESCEAN_NO_ASCEAN_NO_DESCGTIN_NO_ASCGTIN_NO_DESCQUANTITY_ASCQUANTITY_DESCUNIT_ASCUNIT_DESCUNIT_NET_PRICE_ASCUNIT_NET_PRICE_DESCTOTAL_PRICE_ASCTOTAL_PRICE_DESCDISCOUNT_PERCENT_ASCDISCOUNT_PERCENT_DESCVAT_NAME_ASCVAT_NAME_DESCVAT_PERCENT_ASCVAT_PERCENT_DESCUPDATED_AT_ASCUPDATED_AT_DESCCREATED_AT_ASCCREATED_AT_DESCPRIMARY_KEY_ASCPRIMARY_KEY_DESC}