If you are using a Facebook Pixel to track events for your ads, you will want to add the Pixel code to your funnel and funnel steps.
What you will need:
Facebook Pixel Code
Events you want to track
Step 1: Add Pixel Code to Funnel
Copy the main pixel code from your Facebook Events Manager
Navigate to your Funnel.
Click Settings --> Paste in your Pixel Code to the Head Tracking Code Section.
Save your changes.
Step 2: Add in Event Specific Code to Individual Pages
Choose the Step where the event in question is occurring (e.g. Lead would occur after an Opt In)
Edit the Step.
Choose Settings --> Tracking Code.
Click Footer Code and paste in the Event Code.
Save your Changes.
RESOURCES:
Facebook Pixel Code (insert your ID in the IDHERE part of the code):
<!-- Facebook Pixel Code -->
<script>
!function(f,b,e,v,n,t,s)
{if(f.fbq)return;n=f.fbq=function(){n.callMethod?
n.callMethod.apply(n,arguments):n.queue.push(arguments)};
if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
n.queue=[];t=b.createElement(e);t.async=!0;
t.src=v;s=b.getElementsByTagName(e)[0];
s.parentNode.insertBefore(t,s)}(window, document,'script',
fbq('init', ‘IDHERE’);
fbq('track', 'PageView');
</script>
<noscript><img height="1" width="1" style="display:none"
/></noscript>
<!-- End Facebook Pixel Code -->
Facebook Event Code:
<script>
fbq('track', 'EVENTHERE');
</script>
List of Facebook Standard Events: