Firebase analytics to Google analtyics (GTM) Events and Users counts - google-analytics

Experts,
I've few questions around Firebase Analytics and Google Analtytics.
I've used GTM containers to pass custom events from firebase to google analytics - it works fine. However,
- number of events that I see in Firebase console is different than Google analytics. Would you know why?
- Similarly, number of users in firebase console is different than google analytics - would you know why?
GTM TAG EVENT SETUP
Thanks .

I have implemented Firebase and GTM as well and the event counts and number of users for the last 7 days were not exact, but quite similar (off by 50 out of 7500 for users).
Some screenshots of the numbers would help and also screenshots of GTM tag setup.

Related

GA4 user data not available as column in Google Ads

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I connected the new GA4 account with the matching Google Ads account.
The data, that should appear as columns in the Ads campaign data, can be found in the settings for the columns. Go to "Campaigns", then "Columns" - Modify columns - Google Analytics.
Here should appear "% Engaged sessions (GA4)", "Events/session (GA4)", "Avg. session duration (seconds) (GA4)".
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In "Google Analytics (GA4) & Firebase" - "Manage & Link" I can see a difference in the columns. The accounts with the correct data have the entry "Linked: App and web metrics activated" in Status and an extra column "Apps and web metrics", where it says "Deactivate".
I had the same problem.
I am fairly sure what the solution is now.
Looking at this post - GA4 data not available in Google Ads
I didn't enable Google Signals, but did everything under 'user data collection'.
I waited 24 hours.
It didn't work.
I waited 48 hours.
It did work!
It seems like Google fixed the problem. Today I could activate the "App and web metrics" in all Google Ads with connected GA4 via the Linked Accounts - Google Analytics (GA4) & Firebase settings.

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Thank you for your help?
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