Does the union() function preserve the order of the items passed to it? I s

It is not preserving the sequence or order in my case, it putting the odd one out number at the end. What should i do, when i do union I want preserve the order a it was before.????

Can you post some sample code to show the behavior you're seeing? Also in general I'd recommend creating a new post in most cases like this - a lot has changed in Appian in the last 8 years