QUANTITY_INTERVAL is a number indicating the quantity steps in which the items can be ordered.
| <QUANTITY_INTERVAL>10</QUANTITY_INTERVAL> |
Requirements:
→ Please only state positive integers
→ If no QUANTITY_INTERVAL is stated in the catalogue, a default value of 1 is set automatically
→ QUANTITY_INTERVAL cannot be larger than QUANTITY_MIN
→ QUANTITY_INTERVAL and QUANTITY_MIN are normally the same, if not QUANTITY_MIN must be a multiple of QUANTITY_INTERVAL