filter | object or string | Yes | - | Raw Meta product set filter as an object, sent to Meta as-is. Use 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. Examples: {“retailer_id”: {“is_any”: [“SKU_1”, “SKU_2”]}} or {“and”: [{“brand”: {“i_contains”: “nike”}}, {“availability”: {“eq”: “in stock”}}]}. To include all products use {“retailer_id”: {“i_contains”: ""}}. |