Transform

Applies one expression to every item of a list.

Fields

FieldTypeRequiredWhat it does
itemsjsonatayesExpression producing the list, for example outputs.read_csv.rows
expressionjsonatayesRuns once per item, with the item itself as the context: name reads the item field, $index is its position, $items is the whole list. An item the expression says nothing about is left out.

Output

items (the new list), total, from (how many came in)

Notes

Use DataMapper to reshape a single value, and this to reshape every item of a list. At most 10000 items.