gistfile1.txt

<?xml version="1.0" encoding="UTF-8"?>
<mule xmlns="http://www.mulesoft.org/schema/mule/core"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xmlns:mongodb="http://www.mulesoft.org/schema/mule/mongodb"
      xmlns:stdio="http://www.mulesoft.org/schema/mule/stdio"
      xsi:schemaLocation="
       http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/3.1/mule.xsd
       http://www.mulesoft.org/schema/mule/mongodb http://www.mulesoft.org/schema/mule/mongodb/3.1/mule-mongodb.xsd
       http://www.mulesoft.org/schema/mule/stdio http://www.mulesoft.org/schema/mule/stdio/3.1/mule-stdio.xsd
       ">

    <mongodb:connector name="mongodbConnector"
                       database="mule-mongodb"
                       username="user"
                       password="pass"
                       pollingFrequency="1000"
                       hostname="localhost"/>

    <flow name="Input Output">
        <stdio:inbound-endpoint system="IN"/>
        <mongodb:outbound-endpoint collection="stdio"/>
        <stdio:outbound-endpoint system="OUT"/>
    </flow>

</mule>