How might I set up the option for a client to start with one item (photo to retouch), then they can choose to add more if necessary?

So for from-scratch: My clients have varying numbers of photos they'll have retouched, then specific details for each. How might I set up the option for a client to start with one item (photo to retouch), then they can choose to add more if necessary?

What type of field do you want to allow the form users to dynamically add? We have some dynamic widgets you can try: https://widgets.jotform.com/search/dynamic