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<?xml version="1.0" encoding="UTF-8"?>
<!--
/**
* This schema must be used to validate events.xml files
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="config">
<xs:complexType>
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:element type="preset" name="preset">
<xs:unique name="uniqueObserverClass">
<xs:annotation>
<xs:documentation>
Observer class must be unique.
</xs:documentation>
</xs:annotation>
<xs:selector xpath="observer"/>
<xs:field xpath="@class"/>
</xs:unique>
</xs:element>
</xs:sequence>
</xs:complexType>
<xs:unique name="uniquePresetName">
<xs:annotation>
<xs:documentation>
Preset name must be unique.
</xs:documentation>
</xs:annotation>
<xs:selector xpath="preset"/>
<xs:field xpath="@name"/>
</xs:unique>
</xs:element>
<xs:complexType name="preset">
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:element type="observer" name="observer">
<xs:unique name="uniqueTagName">
<xs:annotation>
<xs:documentation>
Tag name must be unique.
</xs:documentation>
</xs:annotation>
<xs:selector xpath="tag"/>
<xs:field xpath="@name"/>
</xs:unique>
</xs:element>
</xs:sequence>
<xs:attribute type="xs:string" name="name" use="required"/>
<xs:attribute type="xs:string" name="extends" use="optional"/>
</xs:complexType>
<xs:complexType name="observer">
<xs:annotation>
<xs:documentation>
Observer node with all attached tags for events inside
</xs:documentation>
</xs:annotation>
<xs:sequence minOccurs="0" maxOccurs="unbounded">
<xs:element type="tag" name="tag" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute type="xs:string" name="class" use="required"/>
</xs:complexType>
<xs:complexType name="tag">
<xs:annotation>
<xs:documentation>
Tag with name to look for
</xs:documentation>
</xs:annotation>
<xs:attribute type="xs:string" name="name" use="required"/>
</xs:complexType>
</xs:schema>