[ABAP] OData – Get the “low” value from a filter range

DATA(lt_filter) = io_tech_request_context->get_filter( )->get_filter_select_options( ).

IF line_exists( it_filter[ property = 'MYKEY' ] ).
    DATA(lv_input) = it_filter[ property = 'MYKEY' ]-select_options[ 1 ]-low.
    " ...
ENDIF.