mapValues
Transform the values of an object, keeping keys unchanged.
object(required): the object to transformfn(required): lambda(value) -> newValue
bash
echo '{"first_name": "Alice", "last_name": "Johnson", "age": 30}' | utlx -e 'mapValues($input, (value) -> toString(value))'
# {"first_name": "Alice", "last_name": "Johnson", "age": "30"}