What you will need for this?
Google Tag Manager account
Google tags tracking code
How do I add google tag manager to the entire funnel?
STEPS
Select the funnel from main dashboard.
Click on "Settings" icon from bottom of left side menu bar.
Scroll down to the Header Tracking code.
Paste your tracking code in the input of either Header Tracking code or Body Tracking code.

Scroll down and Click Save button.

Google Tag Manager account
Google tags tracking code
How do I add google tag manager to the entire funnel?
STEPS
Select the funnel from main dashboard.
Click on "Settings" icon from bottom of left side menu bar.
Scroll down to the Header Tracking code.
Paste your tracking code in the input of either Header Tracking code or Body Tracking code.

Scroll down and Click Save button.

Published on: 04 / 06 / 2020