newsupernova/vendor/magento/module-customer/etc/sections.xsd

<?xml version="1.0" encoding="UTF-8"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<xs:schema elementFormDefault="qualified"
           xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:element name="config">
        <xs:annotation>
            <xs:documentation>The root node for sections configuration</xs:documentation>
        </xs:annotation>
        <xs:complexType>
            <xs:sequence>
                <xs:element name="action" maxOccurs="unbounded" minOccurs="1">
                    <xs:complexType mixed="true">
                        <xs:sequence>
                            <xs:element name="section" maxOccurs="unbounded" minOccurs="0">
                                <xs:complexType>
                                    <xs:simpleContent>
                                        <xs:extension base="xs:string">
                                            <xs:attribute type="xs:string" name="name" use="required"/>
                                        </xs:extension>
                                    </xs:simpleContent>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                        <xs:attribute type="xs:string" name="name" use="required"/>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>

        <xs:unique name="uniqueType">
            <xs:annotation>
                <xs:documentation>
                    Action name should be unique in scope of file
                </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="action" />
            <xs:field xpath="@name" />
        </xs:unique>
    </xs:element>
</xs:schema>