<?xml version="1.0" encoding="ISO-8859-1"?>
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
           targetNamespace="http://ws.apache.org/ns/synapse"
           xmlns="http://ws.apache.org/ns/synapse">

    <xs:element name="callout">
        <xs:annotation>
            <xs:documentation source="description">
                Invokes an external service in blocking mode. The service response is received by the next mediator in
                the mediation flow.
            </xs:documentation>
        </xs:annotation>
        <xs:complexType>
            <xs:choice maxOccurs="3">
                <xs:element name="source" minOccurs="0" maxOccurs="1">
                    <xs:annotation>
                        <xs:documentation>
                            The source for the callout
                        </xs:documentation>
                    </xs:annotation>
                    <xs:complexType>
                        <xs:attribute name="xpath" type="xs:int" use="optional"/>
                        <xs:attribute name="key" type="xs:int" use="optional"/>
                        <xs:attribute name="type" type="xs:string" use="optional"/>
                    </xs:complexType>
                </xs:element>
                <xs:element name="target" minOccurs="0" maxOccurs="1">
                    <xs:annotation>
                        <xs:documentation>
                            The target for the callout response
                        </xs:documentation>
                    </xs:annotation>
                    <xs:complexType>
                        <xs:attribute name="xpath" type="xs:int" use="optional"/>
                        <xs:attribute name="key" type="xs:int" use="optional"/>
                    </xs:complexType>
                </xs:element>
                <xs:element name="configuration" maxOccurs="1" minOccurs="0">
                    <xs:complexType>
                        <xs:attribute name="axis2xml" type="xs:string" use="optional"/>
                        <xs:attribute name="repository" type="xs:string" use="optional"/>
                    </xs:complexType>
                </xs:element>
                <xs:element name="enableSec" minOccurs="0" maxOccurs="1">
                    <xs:complexType>
                        <xs:attribute name="policy" type="xs:string" use="optional"/>
                        <xs:attribute name="outboundPolicy" type="xs:string" use="optional"/>
                        <xs:attribute name="inboundPolicy" type="xs:string" use="optional"/>
                    </xs:complexType>
                </xs:element>
            </xs:choice>
            <xs:attribute name="serviceURL" type="xs:string" use="optional"/>
            <xs:attribute name="action" type="xs:string" use="optional"/>
            <xs:attribute name="initAxis2ClientOptions" type="xs:boolean" use="optional"/>
            <xs:attribute name="endpointKey" type="xs:string" use="optional"/>
        </xs:complexType>
    </xs:element>

</xs:schema>