This element is used in two different contexts:
As a model group definition in xs:schema:
| Purpose |
In this context, the element defines a named model group to be reused later on in the schema definition. A named model group is a group of elements belonging together that is given a common name for later reference. See the section Model Group Definition Schema Component in W3C XML Schema - Part 1. |
| Parent element | xs:schema |
| Child elements | xs:all, xs:choice,
xs:element,
xs:sequence |
| Attributes | name |
| Name | Type | Description |
|---|---|---|
name |
xs:NCName |
The name
attribute is mandatory. Its value is the name that identifies the group of
elements.
|
As a model group reference in xs:choice,
xs:sequence or
xs:complexType:
| Purpose | This element references a predefined model group. This leads to the insertion of the whole model group at the current location in the schema. |
| Parent element | xs:choice,
xs:complexType,
xs:extension,
xs:sequence
|
| Child elements | None |
| Attributes | ref,
minOccurs,
maxOccurs |
| Name | Type | Description |
|---|---|---|
ref |
xs:QName |
A global group can be referenced in other declarations in the same
schema using the This attribute is mandatory. |
minOccurs |
xs:nonNegativeInteger |
This attribute is optional. It specifies the minimum number of occurrences of the group. |
maxOccurs |
xs:string |
This attribute is optional. It specifies the maximum number of occurrences of the group. |
<xs:group name="address">
<xs:element name="firstname" type="xs:string" />
<xs:element name="lastname" type="xs:string" />
<xs:element name="street" type="xs:string" />
<xs:element name="town" type="xs:string" />
<xs:element name="zip" type="xs:string" />
</xs:group>
<xs:element name="letter">
<xs:complexType>
<xs:sequence>
<xs:element name="sender">
<xs:complexType>
<xs:group ref="address" />
</xs:complexType>
</xs:element>
<xs:element name="addressee">
<xs:complexType>
<xs:group ref="address" />
</xs:complexType>
</xs:element>
<xs:element name="text" />
</xs:sequence>
</xs:complexType>
</xs:element>
