he arguments specified in the <TT
CLASS="COMMAND"
>CREATE
       TRIGGER</TT
> statement. The other members are for internal use
       only.
       </P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
>tg_trigtuplebuf</TT
></DT
><DD
><P
>        The buffer containing <TT
CLASS="STRUCTFIELD"
>tg_trigtuple</TT
>, or <TT
CLASS="SYMBOL"
>InvalidBuffer</TT
> if there
        is no such tuple or it is not stored in a disk buffer.
       </P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
>tg_newtuplebuf</TT
></DT
><DD
><P
>        The b