XML Schema complexContent Element

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# XML Schema complexContent Element

Complete XML Schema Reference

## Definition and Usage

The complexContent element defines extensions or restrictions on a complex type that contains mixed content or elements only.

### Element Information

- Parent elements: complexType

### Syntax

<complexContent
id=ID
mixed=true|false
any attributes
>
(annotation?,(restriction|extension))
</complexContent>

(The ? sign declares that the element can occur zero or one time inside the complexContent element)

Attribute | Description
--- | ---
id | Optional. Specifies a unique ID for the element
mixed | Optional. Specifies whether character data is allowed to appear between the child elements of this complexType element. Default is false
any attributes | Optional. Specifies any other attributes with non-schema namespace

### Example 1

The following example has a complex type, "fullpersoninfo", that derives from another complex type, "personinfo", by extending the inherited type with three additional elements (address, city and country):

<xs:element name="employee" type="fullpersoninfo"/>
<xs:complexType name="personinfo">
<xs:sequence>
<xs:element name="firstname" type="xs:string"/>
<xs:element name="lastname" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="fullpersoninfo">
<xs:complexContent>
<xs:extension base="personinfo">
<xs:sequence>
<xs:element name="address" type="xs:string"/>
<xs:element name="city" type="xs:string"/>
<xs:element name="country" type="xs:string"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>

In the example above the "employee" element must contain, in sequence, the following elements: "firstname", "lastname", "address", "city", and "country".

Complete XML Schema Reference

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