void main()
{
    // Get the creature who triggered this event.
    object oPC = GetEnteringObject();

    // Only fire for (real) PCs.
    if ( !GetIsPC(oPC)  ||  GetIsDMPossessed(oPC) )
        return;

    // Have "LakhmarMilitia351651" say something.
    AssignCommand(GetObjectByTag("LakhmarMilitia351651"), SpeakString("Who is this, Leaving Lankhmar at this hour?"));

    // Have "LankhmarGuard13548" say something.
    DelayCommand(2.0, AssignCommand(GetObjectByTag("LankhmarGuard13548"), SpeakString("Shut up and let me sleep.")));
}