<jms:activemq-connector name="Active_MQ" username="....." password="..." brokerURL="...." validateConnections="true" doc:name="Active MQ"  numberOfConsumers="1"  maxRedelivery="-1" disableTemporaryReplyToDestinations="true" persistentDelivery="true"/>

     <flow name="testFlow">
    <jms:inbound-endpoint connector-ref="Active_MQ" doc:name="JMS" queue="InQ" exchange-pattern="request-response">
        <jms:client-ack-transaction action="ALWAYS_BEGIN"/>
    </jms:inbound-endpoint>
    <logger level="INFO" doc:name="Logger" message="**testCheck#[payload]"/>
    <choice doc:name="Choice">
        <when expression="#[message.inboundProperties.JMSXGroupId=='A']">
            <logger level="INFO" doc:name="Logger" message="***first***"/>
            <flow-ref name="ClientA" doc:name="ClientA"/>
        </when>
        <when expression="#[message.inboundProperties.JMSXGroupId=='B']">
            <flow-ref name="ClientB" doc:name="ClientB"/>
        </when>
       <when expression="#[message.inboundProperties.JMSXGroupId=='C']">
            <flow-ref name="ClientC" doc:name="ClientC"/>
        </when>
        <otherwise>
            <logger level="INFO"  doc:name=" Other Logger"/>
        </otherwise>
    </choice>
</flow>