Immediately afterwards another screen will appear with two windows Tag Configuration and Triggering . Click on the first one a Choose a Tag Type menu is displayed where you must choose Custom HTML. There you must paste the Facebook Pixel that you copied earlier. Later you have to tell GTM when to execute that code. which is Triggering and choose the first option that appears by default All Pages. Finally select the name for the tag by clicking Untitled Tag at the top left and select Save on the right.
Put Facebook Pixel on it and that's it. When you have carried out these steps Facebook will be able to have the information of the traffic that the website in question receives and create lists. The second Whatsapp Mobile Number List part consists of repeating the two previous steps but now in the first instead of putting Facebook Pixel you must put the code of the conversion you want to track for example Leads or Sales <script> fbq 'track' 'Lead' Cost.
Currency USD script When you have created the label you want with the corresponding code in the Triggering window you have to configure when it will be activated. Finally you have to validate that everything works correctly. As? Seeing if the data is really reaching Facebook. Do the following. Go to the audience section in your Facebook Ads account. See if it is registering the people who come to your website.