Enhancement /User Exit for logic setting call date / Horizon

Question

Due toe planning in IP10 we have a horizon set by the system for (eks.) 80%. This is working OK for small planning intervals (i.e. up to 24 mth intervals).
However when intarval exceeds this limit we will set the call date to be maximum 30 days (for instance) ahead of the sceduled start date of the order.
Thus we need a user-defined way to manipulate / set the call date by a user exit (logic in ABAP - or by IMG settings if possible) that differs from the standard SAP setting for this date.
The question is then how we - in best practice -  can do so.
Please advice if you need mor information on this issue.

Answer 1

Hi
Find the available exits with the following program:::
*& Report  ZFINDUSEREXIT
report  zfinduserexit.
tables : tstc, tadir, modsapt, modact, trdir, tfdir, enlfdir.
tables : tstct.
data : jtab like tadir occurs 0 with header line.
data : field1(30).
data : v_devclass like tadir-devclass.
parameters : p_tcode like tstc-tcode obligatory.
select single * from tstc where tcode eq p_tcode.
if sy-subrc eq 0.
select single * from tadir where pgmid = 'R3TR'
and object = 'PROG'
and obj_name = tstc-pgmna.
move : tadir-devclass to v_devclass.
if sy-subrc ne 0.
select single * from trdir where name = tstc-pgmna.
if trdir-subc eq 'F'.
select single * from tfdir where pname = tstc-pgmna.
select single * from enlfdir where funcname =
tfdir-funcname.
select single * from tadir where pgmid = 'R3TR'
and object = 'FUGR'
and obj_name eq enlfdir-area.
move : tadir-devclass to v_devclass.
endif.
endif.
select * from tadir into table jtab
where pgmid = 'R3TR'
and object = 'SMOD'
and devclass = v_devclass.
select single * from tstct where sprsl eq sy-langu and
tcode eq p_tcode.
format color col_positive intensified off.
write:/(19) 'Transaction Code - ',
20(20) p_tcode,
45(50) tstct-ttext.
skip.
if not jtab[] is initial.
write:/(95) sy-uline.
format color col_heading intensified on.
write:/1 sy-vline,
2 'Exit Name',
21 sy-vline ,
22 'Description',
95 sy-vline.
write:/(95) sy-uline.
loop at jtab.
select single * from modsapt
where sprsl = sy-langu and
name = jtab-obj_name.
format color col_normal intensified off.
write:/1 sy-vline,
2 jtab-obj_name hotspot on,
21 sy-vline ,
22 modsapt-modtext,
95 sy-vline.
endloop.
write:/(95) sy-uline.
describe table jtab.
skip.
format color col_total intensified on.
write:/ 'No of Exits:' , sy-tfill.
else.
format color col_negative intensified on.
write:/(95) 'No User Exit exists'.
endif.
else.
format color col_negative intensified on.
write:/(95) 'Transaction Code Does Not Exist'.
endif.
at line-selection.
get cursor field field1.
check field1(4) eq 'JTAB'.
set parameter id 'MON' field sy-lisel+1(10).
If there are no available user exits you could go for badi's.
To search for a badi, go to se 24 display class cl_exithandler. double click on method get_instance, get a break point on case statement. execute and start the required transaction in new session. look for variable exit_name. It would show the available badi's.
Please reward if useful....
regards
Dinesh