Here's a UiPath For Each Row example, that explains how to loop through a UiPath DataTable one row at a time and perform an action. In this case the UiPath For Each Row activity is used to simply print out the value of the lastname column in the CSV file, but once you see the UiPath DataTable syntax and realize how easy the process is, you'll soon be adding this function to all of your UiPath Studio RPA projects
