sequence

Requires the elements in the group to appear in the specified sequence within the containing element.

<sequence
  id = ID 
  maxOccurs = (nonNegativeInteger | unbounded) : 1 
  minOccurs = nonNegativeInteger : 1 
  {any attributes with non-schema Namespace}…>
Content: (annotation?, (element | group | choice | sequence | any)*)
</sequence>

Attributes

id

The ID of this element. The id value must be of type ID and be unique within the document containing this element.

Optional.

maxOccurs

The maximum number of times the sequence can occur. The value can be an integer greater than or equal to zero. To set no limit on the maximum number, use the string "unbounded".

Optional.

minOccurs

The minimum number of times the sequence can occur. The value can be an integer greater than or equal to zero. To specify that this sequence group is optional, set this attribute to zero.

Optional.

Element Information

Example

The following example shows an element (<zooAnimals>) that can have zero or more of the following elements, <elephant>, <bear>, <giraffe>, in the <sequence> element.

<xs:element name="zooAnimals">
      <xs:complexType>
            <xs:sequence minOccurs="0" maxOccurs="unbounded">
               <xs:element name="elephant"/>
               <xs:element name="bear"/>
               <xs:element name="giraffe"/>
            </xs:sequence>
      </xs:complexType>
</xs:element>

See Also

XML Schema Reference (XSD) | XML Schema Elements

For more information, see the W3C XML Schema Part 1: Structures Recommendation at http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/#element-sequence.