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
Facebook Page
Google Sheets
Instagram Business
LinkedIn Organic
Pinterest Organic
Shopify
TikTok Organic
Custom API
Active Campaign
Adform
AdRoll
Ahrefs
Amazon advertising
Basic
BigCommerce
BigQuery
Callrail
CallTrackingMetrics
Campaign Monitor
Criteo
Matomo
Trade Desk
Taboola
Magento
Piwik Pro
SE Ranking
Accuranker
Google Ad Manager
Google Campaign Manager 360
Google Display & Video 360
Google My Business
Google Search Console
HubSpot
Klaviyo
LinkedIn Ads
Mailchimp
Microsoft Ads
Pinterest Ads
Salesforce
Search Ads 360
Semrush
SEOmonitor
Simplifi
Snapchat
Spotify Ads
StackAdapt
TikTok Ads
Youtube