| Purpose | This element enables you to define simple content by adding attributes for an element. |
| Parent element | xs:complexContent,
xs:simpleContent |
| Child elements | xs:all, xs:anyAttribute,
xs:attribute,
xs:attributeGroup,
xs:choice,
xs:group,
xs:sequence
|
| Attributes | base |
| Name | Type | Description |
|---|---|---|
base |
xs:QName |
When you derive a new simple type from an existing
simple type (the base type) using the xs:extension element, you
must use the base attribute to specify the base
type to be used for the derivation. See the example below.
|
The following example shows the use of the xs:extension
element to extend an element of complex type with two attributes, namely
form and brand.
In this example a base type
xs:string (defined by
XML
Schema) is used for derivation of a new type by extension.
<xs:extension base = "xs:string"> <xs:attribute name = "form" type = "xs:string" use = "required"></xs:attribute> <xs:attribute name = "brand" type = "xs:string"></xs:attribute> </xs:extension>
