How to add a event to a dynamic created input field in web dynpro?

Hi,

i created "dynamic" a ui element, now i would add e event, i dont know how, but i had searched on diffrent places, but i get no info.

I only read something about add_eventhandler and to registrated a evendhandler. I couldnt believe that this is the correct way.

Here the code for a selection_field...:

  lt_range_table = wd_this->go_so->CREATE_RANGE_TABLE( i_typename = '/BVCCSAP/VE_BCOD1' ).
  wd_this->go_so->add_selection_field(

      i_id = 'BCODE'
       it_result = lt_range_table
       i_description = 'Barcode'
       i_no_intervals = abap_true
      i_read_only = read_only

).

Thanks a lot for your help and hints

Alex