Par For each/ForEach

All,
Here s my situation:
I have performed a transformation step 1:N: where i split my messages N times.
After which i am sending my N messages one by one to the receiver.
Now should i use a Parfor each or a ForEach for this scenario???
In either way how should i define my parameters.My source is OrderRequest and my target is OrderResponse(N)
in my container step i defined these msg types
SingleOrderResponse TYPE: OrderResponse_ABS and MultiOrderResponse TYPE: OrderResponse_ABS and now i tried Parforeach in the trasformation step of my BPM:i specified my interface mapping gave source msg as OrderRequest
and target msg as MultiOrderResponse checked the multiline container element,and next is my send step which i included in ParForEachBlock, where i specified my multiline element as MultiOrderResponse and in the currentline i specified singleOrderResponse and in the stpe step i used the singleOrderResponse Msg type.
But in my tranformation step, i have this error msg saying cannot define multiline element....
Can anyone suggest me on what i should do?
Thanks in advance

Hi Aarthi,
Let me first make sure that I have your requirements right.
What you want to do is perfrom a 1:N transformation and then send each of your response to the receiver.
For this , in your BPM,
1. the first step will be receive step where you receive your request message.
2. the next step will be your Transformation step, where you perfrom 1:N mapping.
3. Finally, you will have to define a block with a send step. the bloack can be par for each or for each.
From what I understood of your definition of the problem, i think you have put your transformation step within the block and that should not be done.
Also, with the transformation step, the containder element for the reponse should be a MULTILINE element as the mapping will produces N messages.
DO let me know if i have understood your requirements well and if this solution does help you.
Regards,
Bhavesh

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