XML Schema Description

File Format
Name	XML Schema Description
Ontology	Electronic File Formats XML XML Schema Description
Extension(s)	.xsd
MIME Type(s)	application/xsd text/xsd

XML Schema Description is used to define the valid XML document used for a specific purpose. XSD is itself an XML document and can be self-defined.

Example

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
	xmlns:xjc="http://java.sun.com/xml/ns/jaxb/xjc"
	jaxb:extensionBindingPrefixes="xjc"
	elementFormDefault="unqualified"
	xmlns:jaxb="http://java.sun.com/xml/ns/jaxb" jaxb:version="2.0">

  <xs:element name='FrostMessage'>
    <xs:complexType>
      <xs:sequence>
        <xs:element name='MessageId' type="xs:string">
        </xs:element>
        <xs:element name='InReplyTo' type="xs:string">
        </xs:element>
        <xs:element name='IdLinePos' type="xs:integer">
        </xs:element>
        <xs:element name='IdLineLen' type="xs:integer">
        </xs:element>
        <xs:element name='From' type="xs:string">
        </xs:element>
        <xs:element name='Subject' type="xs:string">
        </xs:element>
        <xs:element name='Date' type="xs:string">
        </xs:element>
        <xs:element name='Time' type="xs:string">
        </xs:element>
        <xs:element name='Body' type="xs:string">
        </xs:element>
        <xs:element name='Board' type="xs:string">
        </xs:element>
        <xs:element name='PubKey' type="xs:string">
        </xs:element>
        <xs:element name='Signature' type="xs:string">
        </xs:element>
        <xs:element name='SignatureV2' type="xs:string">
        </xs:element>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
</xs:schema>