Validate an element of a collection against a previous element of that same collection

[ffroliva]

Hi,

Is there a way to validate an element of a collection against a previous element of that same collection?

Let's say I have a list var list = List.of(1,2,3,4).

The element 1 at (index 0) should be validated against a default value (1) or against something like (0 +1). The next element 2 at (index 1) should be considered valid if its value is equal to list.get(0) +1.

There are multiple ways to solve this problem, I just want to know if the validator is able to access the other element from the same collection.

Thank you in advance.

[making]

You need to validate against the whole list