Answer / pooja rajpoot

There are two types of events (mandatory and optional).
PAI and PBO are the mandatory events while POV and POH are
optional events.

Answer / sunil.p

THE EVENTS IN MODULEPOOL PROGRAM ARE :
PBO
PAI
POV
POH
PROCESS BEFORE OUTPUT:

THIS EVENT IS TRIGGERS BEFORE THE SCREEN
AND USED THIS EVENT WE WRITE PROCESSING LOGIC I.E WRITE STATEMENT ONLY.

PROCESS AFTER INPUT:

THIS EVENT IS TRIGGERS AFTER SCREEN DISPLAYS AND USED THIS EVENT WE WRITE LOGIC IN THIS, I.E SELECT STATEMENT.

PROCESS ON VALUE REQUEST : GIVES POSSIBLE VALUES AT THE OUTPUT SEREEN FILED, LIKE F4.

PROCESS ON HELP REQUEST : LIKE F1 DOCUMENTATION.

Answer / samiran

PROCESS BEFORE OUTPUT(PBO)
PROCESS AFTER INPUT(PAI)

Answer / lakku sreenivasulu

THEY ARE 4 TYPES OF EVENTS IN MPP.
1.PROCESS BEFORE OUTPUT.
2.PROCESS AFTER INPUT.
3.PROCESS ON VALUE REQUEST.
4.PROCESS ON HELP REQUEST.

Answer / hari

There r 4 events: PAI,PBO,POV,POH
PAI:After user interaction with the screen when user press enter this event occurs.
PAI MODULE
MODULE_STATUS_INPUT
this is dialog module of PAI MODULE,when doble click on this module the controls means logical operation pass to the abap module. MODULE_STATUS_INPUT
ENDMODULE
After abap module controls again pass to next event PBO MODULE.
PBO MODULE
MODULE_STATUS_OUTPUT
ENDMODULE

in this module again controls pass via module_status_output
to abap module ,this is process.
In PAI screen contents copy to abap variable and in PBO abap
variables copy to screen contents.

Answer / kannan

kindly tell me the purpose of PBO & PAI?

in which event we write the code?

Answer / kesavulu thumala

There are four events are in modulepool programming.that is 1.PAI(Process After Input)
2.PBO(Process Before output)
3.POV(Process on Value Request)
4.POH(Process on Help Request)

    but there two are most important.that is PAI and PBO

Answer / vishal

1)PROCESS BEFORE OUTPUT(PBO)
2)PROCESS AFTER INPUT(PAI)
3)REQUEST TO PAI
4)REQUEST TO PBO

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