If you send the same custom labels, delivery times or product groups to several channels, you no longer have to rebuild the same conditions in every feed. The new Library page keeps your shared category mappings, conditions and rules in one place.
A condition says which products: for example a vendor, a tag or a price range. A rule says what to output, and when: cases evaluated in order, the first match wins. In any feed, use a shared condition inside a field's case, or add a shared rule as a case with "Add shared rule". Change it once in the library and every feed that uses it picks up the change at its next rebuild.
"Preview" shows how a condition or rule works on your products before you save it. Existing fields can be copied into the library with "Save to Library", and "Used in" lists every place an item is used.
What's included
Find it under "Library" in the app menu, on the "Shared library" card on the Feeds page and in Home quick actions. Available on every plan.