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Product Advertising API
Developer Guide (API Version 2013-08-01)

XML Structures

Some data in XML documents are one dimensional, for example, <para>Sentence</para>. Some data, however, is structured, as shown in the following XML snippet.

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<SubTotal> <Amount>2998</Amount> <CurrencyCode>USD</CurrencyCode> <FormattedPrice>$29.98</FormattedPrice> </SubTotal>

This example shows that the subtotal is comprised of three pieces of data: Amount, CurrencyCode, and FormattedPrice. The example also shows that there can be a hierarchy of tags. In this example, Amount is a child tag of Subtotal. These structures represent arrays of values.