@jude_b The Apply to Each action isn't necessary in your flow. Pull the Get Response Details action outside of the Apply to Each action.
You might also be interested in a new YT Tutorial I recently uploaded: How to Get a Microsoft Form RSVP Response into a SharePoint List
I cover the following in this video tutorial:
✅How to get a Microsoft Form Response into SharePoint
✅How to get a Microsoft Form ID
✅How to get a Microsoft Form response
✅How to Build a Microsoft Form with Conditional Fields
✅How to used Branching in Microsoft Forms
✅How to format Microsoft Form multiple choice responses for a SharePoint multi-choice column
✅How to parse a Microsoft Form multiple choice response as string of text
✅How to convert a text response to a number
✅How to use the Switch action
✅How to create a custom email confirmation for a Microsoft Form submission
✅How to Create a Custom View in a SharePoint list
✅How to use the Compose Action
✅How to write Power Automate Expressions
Hope this helps!