This object is used to output the item numbers reserved in RMS. Contains the unique item number reserved in RMS. Contains the type of item number in the item field. The date when the reserved item number will expire. This object is used to output the item numbers reserved in RMS. Number of reserved item numbers in the collection. It's a referenced element. For detailed description, please refer referenced element doc. This object is used to hold the input from the Item Number Reservation webservice. Contains the type of item number to reserve. It must be a valid number type in RMS that supports auto generation of item numbers, including ITEM, UPD-A, UPC-AS, EAN13. Contains the number of item numbers to reserve. Contains the number of days before the reserved item numbers will expire. Item Management.