monday.com will not allow you to change the Pulse ID (which is now referred to as the Item IT - but it’s the same exact thing) under any circumstances.
I’m afraid that, with Zapier, you cannot currently search for items by column value - such as the value within a Text Column.
With that said, I’ve since passed your feedback along to our team for review and consideration as we continue to make improvements to our Zapier integration – I can absolutely see how that would be a great addition and open up the potential use cases substantially