The total represents all of the values in the table. You cannot logically make a filter from that unless the table already being filtered by a control or by the drill-down state of the crosstab.
You wouldn't see a filter based on the date slider because it affects the whole report already.
At this point I am just not sure we are understanding one another.
You might want to create a track with technical support so that you can show them what you're trying to do in a more private setting.
Or, you could create a mock report using fake data and share that with us.
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See how to use one filter for multiple data sources by mapping your data from SAS’ Alexandria McCall.
Find more tutorials on the SAS Users YouTube channel.