Price adjustments

Hi,

I need to chnage selling price on the order and I am using API, but not working using API. Works from order manegemnt in application

The code for adjustment is like this

  l_return_line_t(j).calculate_price_flag:= 'P';

  --adjustments

l_line_adj_t                          :=oe_order_pub.G_MISS_LINE_ADJ_TBL;

l_line_adj_t  (1).operation             :=oe_globals.g_opr_create;

l_line_adj_t  (1).price_adjustment_id   :=oe_price_adjustments_s.nextval;

  l_line_adj_t  (1).list_header_id        :=ln_list_header_id;

  l_line_adj_t  (1).list_line_id          := ln_list_line_id