Thanks for the example. I have a test trigger now that does that but my application needs all of the columns. > On 07/10/2023 2:31 PM EDT Christophe Pettus <xof@xxxxxxxxxxxx> wrote: > > > > On Jul 10, 2023, at 11:29, DAVID ROTH <adaptron@xxxxxxxxxxx> wrote: > > > > I want to use a single trigger function to log multiple tables and the tables have different columns. I can get the names of the columns from the catalog. But I have not been able to figure out how to get NEW.x when x is not known until run time. > > Unless you only want to log a subset of rows from each table, it's not required that you get the specific columns. Here's an example of how to do a generic auditing trigger: > > https://wiki.postgresql.org/wiki/Audit_trigger > > If it's supported on your platform, you might also look at the pg_audit extension.