Dynpro exit ampl. MEREQ001

Hi all
I have a custom field in dynpro exit SAPLXM02 111 of ampliament MEREQ001
My problem: I have a custom field in this dynpro, if i  choose some value in matchcode the other custom field must put input = 0.
how do it? thanks all.
rewards for all

Hello Fabrizio,
let's say you have the fields ZZ_OWN1  and ZZ_OWN2.
At  PBO you would store the value of ZZ_OWN1 to a programm field ZZ_OWN1_OLD.
At  PAI you would have:
CHAIN.                                                    
   FIELD: ZZ_OWN1.
   FIELD: ZZ_OWN2.                                            
    MODULE RESET_ZZ_OWN2.
  ENDCHAIN. 
In that module reset_zz_own2 you could simply ask, if ZZ_OWN1 has change and reset ZZ_OWN2.
Regards
Wolfgang

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