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Every region question means rebuilding three charts by hand.
What you'll have at the end
A single filter action wired from the map, verified to narrow the bar chart and the customer table to the clicked region and to return to an empty, ready state when the selection clears.
You need
Three worksheets already built on one Tableau dashboard and pulling from the same data source: a map broken down by region, a bar chart broken down by product category, and a table listing individual customers.
Not covered
A filter set to apply across every worksheet in the workbook by default, the same for every viewer; that's a workbook-wide setting made ahead of time, not something a selection drives.
Pick a join, a relationship, or a blend for two data sources
when the map and the customer table actually come from separate data sources rather than one, get the combine right first; a filter action can't fix a bad join or blend underneath it.
Publish a dashboard your manager can open alone
once the action behaves the way you want, this is how to get it in front of someone who isn't you.
Checked 26 Aug 2026
Part of the Tableau cookbook