Auth Failure Handler Sequence Synapse Configuration

_auth_failure_handler_.xml

<sequence name="_auth_failure_handler_" xmlns="http://ws.apache.org/ns/synapse">
    <switch source="$trp:Accept">
        <case regex="application/json">
         <property name="error_message_type" value="application/json"/>
        </case>
        <default>
         <property name="error_message_type" value="application/xml"/>
        </default>
    </switch>
    <sequence key="_build_"/>
</sequence>