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Parent ASINs do not have offers; their children do. For example, you cannot buy a shirt (the parent ASIN). You can, however, buy a shirt that is a certain color and size (the child ASIN).
Operations that can use this response group include:
A variation is a child ASIN. The parent ASIN is an abstraction of the children items. For example, Shirt is a parent ASIN. Parent ASINs cannot be sold. A child ASIN of it would be a blue shirt, size 16, sold by MyApparelStore. This child ASIN is one of potentially many variations. The ways in which variations differ are called dimensions. In the preceding example, size and color are the dimensions. Parent ASINs therefore return two related elements:
<VariationDimensions> <VariationDimension>ClothingSize</VariationDimension> <VariationDimension>Color</VariationDimension> </VariationDimensions>
The values returned by these elements are the dimensions listed in the child ASIN’s response, for example,
<Item> <ItemAttributes> ... </ItemAttributes> <VariationAttributes> <VariationAttribute> <Name>Color</Name> <Value>Black<Value> </VariationAttribute> <VariationAttribute> <Name>ClothingSize</Name> <Value>Large</Value> </VariationAttribute> </VariationAttributes> ... </Item>
The following table describes the elements returned by VariationSummary.
VariationSummary also returns the elements that all response groups return, as described in Elements Common to All Response Groups.
The following response groups are parent response groups of VariationSummary.
The following response groups are child response groups of VariationSummary.
The following request illustrates the XML response elements returned by VariationSummary.
http://webservices.amazon.com/onca/xml? Service=AWSECommerceService& AWSAccessKeyId=<replaceable> <replaceable>[AWS Access Key ID]</replaceable> </replaceable>& Operation=ItemLookup& ItemId=B00006XYAA& ResponseGroup=VariationSummary& Version=2011-08-01 &Timestamp=[YYYY-MM-DDThh:mm:ssZ] &Signature=[Request Signature]
The following response snippet shows the elements returned by VariationSummary.
<Item> <ASIN>B00006XYAA</ASIN> <VariationSummary> <LowestPrice> <Amount>1450</Amount> <CurrencyCode>USD</CurrencyCode> <FormattedPrice>$14.50</FormattedPrice> </LowestPrice> <HighestPrice> <Amount>1750</Amount> <CurrencyCode>USD</CurrencyCode> <FormattedPrice>$17.50</FormattedPrice> </HighestPrice> </VariationSummary> </Item>