Cross-selling is a very efficient way to increase your sales. Encourage yours users by easily putting in place cross-selling campaigns.
When you use Liquid's Formulas, you'll select the audience, the action and the time.
Users that bought product from a specific category
Push Notification suggestion top buys products on that category
Send it next day at the time the user usually used the app
Define a custom segment with users that made a purchase in the category of your campaign.
Select Push-notification as the action and write a message that makes people curious about checking your offer.
Schedule the time for the next day and select the “Send at the optimal time” option.