Hi,
In create followupsel_closed event method CREATE_FOLLOW_UP_GEN will be called
there you can set VONA_KIND value using parameter
ls_params-name = 'VONA_KIND'. "#EC NOTEXT
ls_params-value = 'A'. "change ur value "#EC NOTEXT
APPEND ls_params TO lt_params.
These parameters is passes to while creating followup .
Regards,
Deepika.