If you want to create a filter for the whole report, instead of applying them one by one to your widgets, you would need to create a source filter for that. You can click here to find a step-by-step guide on how to do that.
Here is a list of integrations that support a source filter:
Google Analytics
Google Analytics 4
Google Ads
Facebook Ads
Google Display & Video 360
Simpli.fi
Big Commerce
Basis
Criteo
Adform
Spotify Ads
Salesforce
Big Query
Campaign Monitor
Yahoo Ads Japan
Snapchat
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