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# Configuring the Use of a Single Node

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For the XML-based mappings that Table: Mapping Support for Default Null Values summarizes, when you map a list value, you can configure whether or not the mapping unmarshalls (writes) the list to a single node, like `<item>aaa bbb ccc</item>`, or to multiple nodes, like:

    <item>aaa</item>
    <item>bbb</item>
    <item>ccc</item>

Table: Mapping Support for Default Null Values summarizes which mappings support this option.

Mapping Support for Use Single Node

Mapping | Using TopLink Workbench | Using Java
--- | --- | ---
EIS Mappings Foot 1 |  |
EIS Direct Mapping |  |
EIS Composite Direct Collection Mapping |  |
XML Mappings |  |
XML Direct Mapping |  |
XML Composite Direct Collection Mapping |  |

Footnote 1 When used with XML records only (see "Configuring Record Format").