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>