| description: > | |
| Implement to provide custom properties added to an item by the item vendor. | |
| properties: | |
| - name: CustomField1 | |
| type: string | |
| description: > | |
| The custom field 1 of the item. | |
| - name: CustomField2 | |
| type: string | |
| description: > | |
| The custom field 2 of the item. |