This process just takes a few simple steps:
Go to business.facebook.com
Select your business.
3. And the corresponding ad account.
4. In the "Campaigns" tab, click "Create."
5. Select the campaign objective "Traffic."
6. You'll see the settings options below. Click "Continue."
7. In the Traffic section select "WhatsApp" and your page. You will need to be a page administrator to continue.
8. To complete the process, add the phone number you use with Sirena, including the area code. For Buenos Aires, Argentine, it would be 9-11-xxxxxxxx.
9. You'll receive a code at that WhatsApp number that you'll need to enter in the following screen:
10. Click "Send" and you're all set! Your WhatsApp number is now integrated with Facebook.