Using this method you can access all the repeated values in the segment's inbound script. This method gives you the most flexibility because you can do whatever you wish with the values, including selecting only one to map to your tables, or concatenating the values and inserting them into your table as one string value with delimiters.

Group 'Message1'
Row 0
   Table Patient -
   Row 0
     FirstName = 'CHARLES'
     LastName = 'WHITE'
     Gender = 'M'
     IDs = '583020~546~76466'