1. From the event's dashboard, click on "Promotions" 2. Click on the mailer 3. Click on "Activate" to start sending Whatsapp Invitation Mailers. 4. Confirm to activate the mailer, once activated it cannot be stopped. Related ArticlesTypes of Mailers in NunifyHow to send Promotional Mailers via EmailHow to configure the WhatsApp registration confirmation mailer?How to send Promotional Mailers via EmailHow to Set Up Promotional Mailers from Whatsapp