Attached documents can be created using the “attachment” tag:
<advancedimporter>
<attachment supplier-reference="test">
<name>Name of the document</name>
<description>Description of the document</description>
<url>http://v2.prestashopxmlimporter.madef.fr/fr/numbers/number-1.jpg</url>
</attachment>
</advancedimporter>
The document can be attached to a product by nesting it in the product tag:
<advancedimporter>
<product supplier-reference="test">
<name>test</name>
<price>10</price>
<attachment supplier-reference="test">
<name>Name of the document</name>
<description>Description of the document</description>
<url>http://v2.prestashopxmlimporter.madef.fr/fr/numbers/number-1.jpg</url>
</attachment>
</product>
</advancedimporter>