void main()
{
    object oPC = GetClickingObject();
    object oArea = GetArea(OBJECT_SELF);

    //Should only run for PCs
    if (!GetIsPC(oPC)) return;

    //Disallow the player to proceed if they're seen or heard by any enemy
    object oObject = GetFirstObjectInArea(oArea);
    while (GetIsObjectValid(oObject))
    {
        if (!GetIsPC(oObject) && GetIsEnemy(oPC, oObject) && !GetIsDead(oObject) && (GetObjectSeen(oPC, oObject) || GetObjectHeard(oPC, oObject)))
        {
            FloatingTextStringOnCreature("You can't proceed until no enemy is aware of your presence!", oPC, FALSE);
            return;
        }
        oObject = GetNextObjectInArea(oArea);
    }

    //Start convo
    ClearAllActions();
    AssignCommand(oPC, ClearAllActions());
    AssignCommand(oPC, ActionStartConversation(oPC, "conv_further", TRUE, FALSE));
}