| accountId | POC Unique Identifier, required field, not blank. E.g.: ACC00001 |
| channel | The source channel which created this order, required field. E.g.: B2B_WEB |
| items.key | Item Unique Identifier used to track item changes, required field, not blank. E.g.: ID0039 |
| placementDate | The date the usee place the order, cannot be changed , required field. E.g.: 2020-09-14T20:05:00+00:00 |