Dynamically Populated Table in Adaptive Forms

[#1]

Is there a simple way to dynamically load and store updates to a table using Adaptive Forms in AEM 6.3? I came across the following article which provides a way to dynamically load a table using an XML file, but it was lacking in details. 

AEM 6.1 Forms Help | Tables in adaptive forms

Ideally I'd like to load an XML file and then save the XML file after edits when Save or Submit is clicked.  A sample screen shot is shown below:

[#2 · Accepted solution]

Once you load the xml any changes done to the table are saved. When you submit the form the data is submitted in the xml format