You can use Keywords section in order to setup autoresponders & build an audience of WhatsApp contacts based on their response over your marketing campaigns.
Every time someone replies back with the set of Call To Action Keywords in their messages. They are automatically added into Keywords Segments.
Now, using these segments of contacts. You can run Keywords Campaigns.
This feature allows you to send hyper targeted messages without intruding anyone’s interest and send matching offers, promotions, and engagement messages only to people who have shown interest in your previous campaigns.
Many of our clients use Keywords to build custom segments of people who are interested in specific offers.