InfoPath Dev

I just figured out first part, altough I'm struggling with updating the list item. I found some solutions online, but all submitting repeating list rows , I just want to Update one list item! ( Without code if possible ) any hints?

Hi guys, I'm building a SharePoint workflow and customizing one of the actions using INFOPATH , the requirements are 1 - To read specific item in different list based on parameter ( parameter value will be calculated at runtime) 2 - Edit and submit this item after that My issue now mainly with first part, I'm able to use OData ...