This add-in converts a CDISC ISO8601 character variable into a separate numeric date or date-time variable that can make filtering easier. For the current data table, the add-in only lists the available character variables that end in DTC, which would include all date-time fields in CDISC domains. The sample data set is not CDISC, but it allows you to get a sense of how the add-in works.
Running the above on the following table
will create a numeric version of the column
Creating a data filer on the numeric date allows you to select a range of dates.
Compare this to a filter on the character version of the date that only allows for selecting specific dates.