XML Structures

Product Advertising API: 2009-11-01

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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.

<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.

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