XML Schema any Element
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Definition and Usage
The any element enables the author to extend the XML document with elements not specified by the schema.
Element Information
- Parent elements: choice, sequence
Syntax
<any
id=ID
maxOccurs=nonNegativeInteger|unbounded
minOccurs=nonNegativeInteger
namespace=namespace
processContents=lax|skip|strict
any attributes
>
(annotation?)
</any>
(The ? sign declares that the element can occur zero or one time inside the any element)
| Attribute | Description |
|---|---|
| id | Optional. Specifies a unique ID for the element |
| maxOccurs | Optional. Specifies the maximum number of times the any element can occur in the parent element. The value can be any number >= 0, or if you want to set no limit on the maximum number, use the value "unbounded". Default value is 1 |
| minOccurs | Optional. Specifies the minimum number of times the any element can occur in the parent element. The value can be any number >= 0. Default value is 1 |
| namespace | Optional. Specifies the namespaces containing the elements
that can be used. Can be set to one of the following:
|
| processContents | Optional. Specifies how the XML processor should handle
validation against the elements specified by this any element. Can be set to
one of the following:
|
| any attributes | Optional. Specifies any other attributes with non-schema namespace |
Example 1
The following example shows a declaration for an element called "person". By using the <any> element the author can extend (after <lastname>) the content of "person" with any element:
<xs:element name="person">
<xs:complexType>
<xs:sequence>
<xs:element name="firstname" type="xs:string"/>
<xs:element name="lastname" type="xs:string"/>
<xs:any minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:element>
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