Answer / arun prasad

THERE ARE FOUR EVENTS CALLED PROCESS BEFORE OUTPUT(PBO),
PROCESS AFTER INPUT(PAI), PROCESS ON VALUE REQUEST(POV),
PROCESS ON HELP REQUEST(POH).

Answer / sudheer

In general there are 4 events in module pool programs.Namely
1)PROCESS BEFORE OUTPUT(PBO)
2)PROCESS AFTER INPUT(PAI)
3)PROCESS ON VALUE REQUEST(POV)
4)PROCESS ON HELP REQUEST(POH).
But on 4.x versions onwards the last i.e POV & POH are not
used.

Answer / girish r

process before output(pbo)
process after input (pai)
process on value request(pov)
process on help request(poh)

Answer / gvghvfg

process before output(pbo)
process after input (pai)
process on value request(pov)
process on help request(poh)

Answer / jayaram

PBO- It will trigger before displying the selection screen
PAI-It will trigger after user is giving the input values in
selectio n screen
POV
POH

Answer / sudheer

ther r 4 events in module pool programing,
pbo, pai, pov, poh.

Answer / madhu

There are four Events in module pool programming

1) Process Before Output (PBO).
2) Process After Input (PAI).
3) Process on Help Request (POH).
If field help is required then we will use this event
4) Process on Value Request (POV).
If input help is required then we will use this event.

Answer / karan

There are four events in Module Pool

1:) PBO (Process Before Input)-> This event is used to do
some work before your screen displayed.For EXM , If you want
to activate any menu item on the screen etc...

2:) PAI (Process After Input)-> This event is used to do
some work after makin inputs on screen.For EXM , If user
press any button then after this what task should be done
and which screen should be called etc....

3:)POH (Process On Help Request)-> This event is used if you
want to provide any field help. This is activated on
pressing F1 button on any field on which you have provided POH.
You can Provide Help By:
PROCESS ON HELP-REQUEST.
FIELD field_name MODULE module_name.

3:)POV (Process On Value Request)-> This event is used if
you want to provide any input help. This is activated on
pressing F4 button.
You can Provide Help By:
PROCESS ON VALUE-REQUEST.
FIELD field_name MODULE module_name.

Answer / arasu

Hi Kannan, you've asked about in which section we write our
code, first be clear with PBO and PAI events, the
declaration, initialization or the processes which are to be
done before you display your selection screen will be
written under PBO Event. The processes which you are going
to do further after getting the input from the user
(selection screen) will be written under PAI event.

Answer / prabhu

1.process before output(pbo)- triggers before the screen is displayed.
2.process after input(pai)- triggers after clicking a function in a selection screen.
3.process on help request(poh)-triggers when user enter f1 help.
4.process on value request(pov)-triggers when user enters f4 search help

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