%dw 2.0
output application/json
---
[ { "a" : 1 }, { "a" : 2 }, { "a" : 3 } ] minBy (item) -> item.a
minBy
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minBy(Array<T>, (item: T) -> Comparable): T | Null
Returns the lowest value of comparable elements in a list (an array).
Returns null when list is empty. Returns an error if the items in the array are not comparable.
Parameters
Name | Description |
---|---|
|
Element in the list (of type |
Example
This example returns the lowest value within objects (key-value pairs) in
an array. Notice that it uses item.a
to access the value of the object. You
can also write the expression in the source like this:
[ { "a" : 1 }, { "a" : 3 }, { "a" : 2 } ] minBy $