To install Freshmarketer JS snippet on all your pages using Google Tag Manager, follow the guide below.
As an initial step, copy the Freshmarketer JS snippet (Asynchronous) into your clipboard.
Locating "New Tag"
Give “Freshmarketer Integration” as the Tag name and select the edit icon from the Tag Configuration section.
"Tag Configuration" Section
Locating "Custom HTML"
As Google Tag Manager doesn’t support synchronous code execution, paste Freshmarketer’s asynchronous JS snippet.
Integrating Freshmarketer Snippet
Click Save button.
"Publish" in GTM