Class EachFunction

java.lang.Object
com.api.jsonata4java.expressions.functions.FunctionBase
com.api.jsonata4java.expressions.functions.EachFunction

public class EachFunction extends FunctionBase
Returns an array containing the values return by the function when applied to each key/value pair in the object.
The function parameter will get invoked with two arguments:
function(value, name)
where the value parameter is the value of each name/value pair in the object and name is its name. The name parameter is optional.

From https://docs.jsonata.org/object-functions#each
$each(object,function($value, $key)

Examples
$each(Address, function($v, $k) {$k & ": " & $v})
results in [ "Street: Hursley Park", "City: Winchester", "Postcode: SO21 2JN" ]