This is to help you add Age, Gender, Color and Size to your feed.
1. On the dashboard, click on PRODUCT RULES icon, to the left of your page. Then, Click on ADD AN INVENTORY RULE. You can put in a title for the rule eg, gender rule (it's optional and won't impact your rules in any way)
2. Edit it to suit your preference. An eg will be If>> (attribute) sales price >> (equality operator) greater than >> (text input) 0, THEN update GENDER to become FEMALE. This rule means that the app should update all your gender attribute (since they all have prices) to be Female. This is only when you sell products for Females. You can create a rule to meet your specific need. (use the AND/ OR button to further breakdown or add more conditions to your rule.
Click on SAVE AND SET LIVE
PS: If you have to create another rule for other attributes like Size, color, age, click on ADD AN INVENTORY RULE to create another rule
3. Go back to Home page and click update feed to apply the rule to your feeds.