Hi AQ83,
It is not supported customization however potentially it is possible to do.
Into requestdetails.chtml add the following line of code.
if (requestEntry.ContainsKey("UserInput"))
{ <h2>UserInput</h2> @requestEntry["UserInput"]
}
After that you will have xml representation of the field UserInput. You can do parsing and formatting using javascript to produce the table.
Or you can try our portal :) We have this field on the request details out of the box.
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Try our Advanced Self Service Portal for Analyst and End User.
www.scsmanalystportal.com