search your source for a loadCustomSpawns or something similiar
c.getPA().checkObjectSpawn(ObjectID, X, Y, Height, FACEDIRECTION);Code:public void loadCustomSpawns(Client c) { //banking etc. c.getPA().checkObjectSpawn(26972, 3095, 3493, 0, 5);
Either search RL Object List for the barrier ( good luck )
Or Go Dump your models and RSVM view them to find the ID's
RuneScape Object ID List - RuneLocus