all 
 Checks if all of the elements in the given array match the given predicate
   Arguments 
  - array- The array to check
- predicate(element, index)- The predicate to check against
  Example 
 {
  "$template": {
	"$comment": "The field below will be false",
	"test": "{{[1, 2, 3, 5, 8, 10].all(x => x > 5)}}"
  }
}