Example:
Offer a selection of free gifts when a customer buys three products.
How to set it up:
1. Create a new rule by clicking on the Add Rule button
2. In the Rule form, set the Method field to Buy X Get Y
3. In the Quantities & Settings, insert 1 for the Get field and 3 for the Buy field
4. Under the Product Buy section, click on Add Product and choose as many products as you need to trigger the rule
5. Under the Product Get section, specify your preferred category in the Include Category field to offer its products as free gifts
6. Press Save settings to apply the rule