Sequence Node in Message Broker

Step 1:- Create a flow with MQInput Node,Sequence Node & MQOutput Node as follows

Step 2:- Sequence Node configuration

Step 3:- Provide the input like this :-
<doc><grp>AJAY</grp></doc>

Step 4:- The result would be like this on first run
<doc><grp>AJAY</grp><seq>0</seq></doc>

Next time you put the same input again,the result would be

<doc><grp>AJAY</grp><seq>1</seq></doc>

The sequence keeps on increasing like this..