Try to use region filter with option as All using related data sources. It will filter all sheets.
If you create a parameter then you can create calculation in each data source and add it in filter.
Hi, Thanks for the quick response. I have already tried this one. It doesn't work.
You say you have 5 different data sources with a common field but you did not say how you connected the sources - are they Joined on that field? if they are NOT then you need to establish a relationship between the fields to do what you want
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