In Dotdigital, expand the User menu, then go to Settings > Tracking > Shortened links.

Copy the link address you want to use. You can choose from default links, such as dd1.io, or use your own custom-branded domain.
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​Learn more about branded short domains.
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In Meta Business Portfolio, go to WhatsApp Manager > Manage templates.

When editing and adding a call to action to a template, expand the URL type drop-down menu and select Dynamic URL.

For Website URL, paste the link address copied in the previous step into the field.

For Add sample URL, in the variable sample field '{{1}}', enter a unique identifier, such as dotdigital. This is replaced with the specific contact ID, enabling accurate click attribution to the correct user.
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When creating a campaign that uses a template containing a trackable link, you can add the complete URL where you want to direct users. Our system automatically applies the dedicated tracking link to this destination URL.