MasterDataFaultTemplate.xml

<template name="MasterDataFaultTemplate">
        <parameter name="fault_code"/>
        <parameter name="fault_message"/>
        <sequence>
            <log category="ERROR" level="custom">
                <property expression="$func:fault_code" name="fault_code"/>
                <property expression="$func:fault_message" name="fault_message"/>
            </log>
        </sequence>
    </template>