void main()
{

object oTarget;

object oPC = GetEnteringObject();

if (!GetIsPC(oPC)) return;
int DoOnce = GetLocalInt(oPC, GetTag(OBJECT_SELF));
if (DoOnce==TRUE) return;
SetLocalInt(oPC, GetTag(OBJECT_SELF), TRUE);

oTarget = GetObjectByTag("sas17");
AssignCommand(oTarget, ActionStartConversation(oPC, "sas17"));

}