I presume register=record.
Presuming you have a date column in your record (I'll refer to it as D), you'll need to do the following:
The end result should look similar to this screenshot:
When executed. Find is converted to an SQL Select statement, and the value passed to the <Order By> trigger is the Order By part of that statement.
This will sort by the D date field in ascending order. To sort descending, replace Asc with Desc.
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