@tsvk4u  If you replace records[1] with records[0]. You won't be getting null as the first value inside records array. But, if you have done it deliberately and you want to remove the null values, look at the following spec: [ { "operation": "shift", "spec": { "records": { "*": { "*": "records[]" } }, "*": "&" } } ] Note: This spec is to be applied after you have applied your spec ... View more