DOCS

[0] => SimpleXMLElement Object
                                        (
                                            [Code] => AWS.InvalidEnumeratedParameter
                                            [Message] => The value you specified for ResponseGroup is invalid. Valid values include [
    		'Tags', 'Help', 'ListMinimum', 'VariationSummary', 'VariationMatrix',
    		'TransactionDetails', 'VariationMinimum', 'VariationImages',
    		'PartBrandBinsSummary', 'CustomerFull', 'CartNewReleases',
    		'ItemIds', 'SalesRank', 'TagsSummary', 'Fitments',
    		'Subjects', 'Medium', 'ListmaniaLists',
    		'PartBrowseNodeBinsSummary', 'TopSellers', 'Request',
    		'HasPartCompatibility', 'PromotionDetails', 'ListFull',
    		'Small', 'Seller', 'OfferFull', 'Accessories',
    		'VehicleMakes', 'MerchantItemAttributes', 'TaggedItems',
    		'VehicleParts', 'BrowseNodeInfo', 'ItemAttributes',
    		'PromotionalTag', 'VehicleOptions', 'ListItems', 'Offers',
    		'TaggedGuides', 'NewReleases', 'VehiclePartFit',
    		'OfferSummary', 'VariationOffers', 'CartSimilarities',
    		'Reviews', 'ShippingCharges', 'ShippingOptions', 'EditorialReview',
    		'CustomerInfo', 'PromotionSummary', 'BrowseNodes',
    		'PartnerTransactionDetails', 'VehicleYears', 'SearchBins',
    		'VehicleTrims', 'Similarities', 'AlternateVersions',
    		'SearchInside', 'CustomerReviews', 'SellerListing',
    		'OfferListings', 'Cart', 'TaggedListmaniaLists',
    		'VehicleModels', 'ListInfo', 'Large', 'CustomerLists',
    		'Tracks', 'CartTopSellers', 'Images', 'Variations',
    	'RelatedItems','Collections'
    	].