filter | object or string | No | - | New raw Meta product set filter as an object, sent to Meta as-is and replacing the current filter. Uses Meta filter syntax with operators like is_any, contains, i_contains, eq, neq, and and/or groups over catalog fields such as retailer_id, brand, category, availability, condition, or custom_label_0 to custom_label_4. Leave empty to keep the current filter. |