If you are a Shopify merchant who sells products with variations, you will need to create custom rules for your Amazon template. Please visit Feeds > Amazon template > Custom rules and add the below rules. 

See also: Amazon: Generate a parent for child variations, using ParentTitle

1. Variations: RelationshipType: 'Variation'
   • Map RelationshipType to Variation where variants_title does not contain default
2. Variations: Parentage: 'Child'
   • Map Parentage to Child where variants_title does not contain default
3. Variations: VariationTheme: 'SizeColor'
   • Map VariationTheme to SizeColor where [SIZE FIELD] is not empty and [COLOR FIELD] is not empty

   Please note that VariationTheme should be mapped based on your product variations. This rule shows products which vary by Size and Color.

4. Variations: Size: [SIZE FIELD] 
   • Please note that these fields may be mapped under Mapping instead
   • Map Size to [SIZE FIELD] where [SIZE FIELD] is not empty
5. Variations: Color: [COLOR FIELD]
   • Please note that these fields may be mapped under Mapping instead
   • Map Color to [COLOR FIELD] where [COLOR FIELD] is not empty