Schema Complex Any
# XSD Element
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The element enables us to extend the XML document with elements not specified by the schema!
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## Element
The element enables us to extend the XML document with elements not specified by the schema!
The following example is a fragment from an XML schema named "family.xsd". It shows a declaration for the "person" element. By using the element, we can extend the content of "person" with any element (after ):
```xml
Now we want to extend the "person" element with a "children" element. In this case we can do so, even though the author of the schema above never declared any "children" element.
Look at this schema file, named "children.xsd":
```xml
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