To check if your data is getting tracked it into GA4, follow below steps:

Step 1. Verify your tracking ID in the GA4 settings.

Step 2. Check real-time reports in GA4 to confirm data flow.

Step 3. Use the Google Tag Assistant or DebugView in GA4 for testing.

You can use our Google Analytics 4 (GA4) With GTM Support For Magento 2 Extension to add GA4 into your Magento 2 store.

Read this How to Setup Magento 2 GA4 (Google Analytics 4) with GTM guide to setup this extension.

Here are the few more resource to help you get most out of this Magento 2 GA4 with GTM Support Extension.

• How to Add Google Analytics 4 (GA4) with GTM in Magento 2
• How to Use GA4 with GTM Extension for eCommerce store
• How to Add Google Analytics in Magento 2
• How to Add Google Tag Manager (GTM) to Magento 2