Fields may be merged , creating a list of values from the arrays in the record. In the example below, the items 1,2,3 and the prices 10, 20, 30 have been transformed into a merged record of items and their relative prices
| Pre-Transform | Transform Mappings | Post-Transform |
| { “itemsNames”: [“item1”, “item2”, “item3”], “prices”: [10, 20, 30] } |  | { “items”: [ { “name”: “item1”, “price”: 10 }, { “name”: “item2”, “price”: 20 }, { “name”:”item3″, “price”: 30 } ] } |