如何在Mule4中从.imp文件中获取记录

<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns:file="http://www.mulesoft.org/schema/mule/file" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
    xmlns:spring="http://www.springframework.org/schema/beans" version="EE-4.3.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
        http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
        http://www.mulesoft.org/schema/mule/file http://www.mulesoft.org/schema/mule/file/current/mule-file.xsd">

    <file:config name="File_Config" doc:name="File Config" doc:id="f7ca2175-4cc9-4199-aa09-3fa49b0c89f1" >
        <file:connection workingDir="${app.home}/input" />
    </file:config>

    <flow name="Read_IMP_File" doc:id="c3f7b2de-0647-4732-85a0-cc80e7069460" >
        <file:read doc:name="Read File" doc:id="d22654f4-64e6-457d-a3e7-c6626359e384" config-ref="File_Config" path="/input" >
            <scheduling-strategy>
                <fixed-frequency frequency="1000" timeUnit="MILLISECONDS" />
            </scheduling-strategy>
        </file:read>
        <logger level="INFO" doc:name="Log Message" doc:id="bba537b7-3b66-4ee2-b841-85d0659642b6" message="#[payload]" />
    </flow>
</mule>