How to create loop expression in BRF ?

Hi ,
I have a requirement . I have a table as input parameter in a fuction signature . I need to loop at that table and check if a particular field in the row is initial. If yes , then I need to return the message with plant info in the current row concatenated with error message.
Please advise.
Thanks,
Jayashri

Hi,
I had this similar requirement. Below are the steps I followed. It may be helpful to you.
Step 1:- Created an internal table structure in events class. (Inherited CL_EVENT_BRF to ZCL_EVENT_BRF and added this internal table).
Step 2:- After creating an object for event in runtime, assign your application internal table to the newly added itab of event object so that it will be in scope while executing action.
Step 3:- Create an action with action class of executing function module. In this function module you can write code to look for a field with initial value and update the same table with any other desired data.
Step 4:- After control returned from event processing, Event object will have all the updated values from function module.
Now assign event->itab to application itab.
In this approach you are actually applying business rule using code in function module. But you are still triggering this event using BRF. That means you have good control of when to execute function module and when not to using expression in BRF.
Thanks,
Amara.

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How to create loop expression in BRF ?

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