Reference documentation and code samples for the Recommendations AI V1beta1 API class Google::Cloud::RecommendationEngine::V1beta1::CatalogItem::CategoryHierarchy.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Recommendations AI V1beta1 API - Class Google::Cloud::RecommendationEngine::V1beta1::CatalogItem::CategoryHierarchy (v0.13.0)\n\nVersion latestkeyboard_arrow_down\n\n- [0.13.0 (latest)](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/latest/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.12.1](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.12.1/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.11.0](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.11.0/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.10.0](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.10.0/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.9.2](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.9.2/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.8.2](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.8.2/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.7.0](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.7.0/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.6.1](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.6.1/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.5.0](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.5.0/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.4.1](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.4.1/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy)\n- [0.3.7](/ruby/docs/reference/google-cloud-recommendation_engine-v1beta1/0.3.7/Google-Cloud-RecommendationEngine-V1beta1-CatalogItem-CategoryHierarchy) \nReference documentation and code samples for the Recommendations AI V1beta1 API class Google::Cloud::RecommendationEngine::V1beta1::CatalogItem::CategoryHierarchy.\n\nCategory represents catalog item category hierarchy. \n\nInherits\n--------\n\n- Object \n\nExtended By\n-----------\n\n- Google::Protobuf::MessageExts::ClassMethods \n\nIncludes\n--------\n\n- Google::Protobuf::MessageExts\n\nMethods\n-------\n\n### #categories\n\n def categories() -\u003e ::Array\u003c::String\u003e\n\n**Returns**\n\n- (::Array\\\u003c::String\\\u003e) --- Required. Catalog item categories. Each category should be a UTF-8 encoded string with a length limit of 2 KiB.\n\n Note that the order in the list denotes the specificity (from least to\n most specific).\n\n### #categories=\n\n def categories=(value) -\u003e ::Array\u003c::String\u003e\n\n**Parameter**\n\n- **value** (::Array\\\u003c::String\\\u003e) --- Required. Catalog item categories. Each category should be a UTF-8 encoded string with a length limit of 2 KiB.\n\n\n Note that the order in the list denotes the specificity (from least to\nmost specific). \n**Returns**\n\n- (::Array\\\u003c::String\\\u003e) --- Required. Catalog item categories. Each category should be a UTF-8 encoded string with a length limit of 2 KiB.\n\n Note that the order in the list denotes the specificity (from least to\n most specific)."]]