This article helps you to understand how you can import lists with contacts into chatlyn
Add an Opt-Out for your WhatsApp Newsletter
Creating an Opt-Out option for your audience will help you to get your newsletters only to contacts which are really interested in your marketing messages.
Lists enable you to send Newsletters to a specific group of people.
WhatsApp-Templates are a good way to send Newsletters, Promos, etc. to your audience.
Sending WhatsApp templates helps you send newsletters to your audience easily and quickly.