Specifies the name of a second external routine called (notified)
    when certain external routine or database-related events occur.
    This name defines the routine entry address that is called, for
    each invocation of the notify routine. The named routine must
    exist in the external routine image selected by the location
    clause.

    The events of interest to the notify routine are ON BIND, ON
    CONNECT, and ON TRANSACTION. Multiple events can be specified.

    The following describes the events and scope of each event:

         BIND        Routine activation to routine deactivation
         CONNECT     Database attach to database disconnect
         TRANSACTION Start transaction to commit or roll back
                     transaction