Step 1: Log in to your Wisepops account.
Step 2: In the menu, select the tracking code
Step 3: Copy the tracking code
Step 4: Log in to your Google Tag Manager Account
Step 5: Click on "Add a new tag" in your account
Step 6: Click on tag configuration and select custom HTML as the tag type.
Step 7: paste the code you previously copied and activate "Support document.write"
Step 8: Scroll down and click on "Triggering".
Step 9: Click on "All pages"
Step 10: Click on "Save" and name your new tag.
Step 11: In your dashboard click on "Publish"
You're done! :)