Installing chat through Google Tag Manager
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How to add the chat through Google Tag Manager?
After logging into your account in Google Tag Manager, go to Tags (1) and click New (2):

In the tag configuration, choose Custom HTML (3):

Paste chater code (4),
<script>window.$czater = {tok: "Your_chater_ID", domain: "https://www.czater.pl/", login: undefined, email: undefined};</script><script>src="https://www.czater.pl/assets/modules/chat/js/chat.js" async></script>
and choose All pages (5) in the rules:

At the end, save changes and change the name of the tag. Then, click Send (6):

Fill out the name and description of the version and click Publish (7):

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