In the configuration, you find the "PSI Transaction Data" back end type.
PSI Transaction Data backends are required if you need "PSI Transaction Data retrieval" and "PSI Transaction Data error buffer import".
For more information about configuring the server, see Server-Konfigurations-Werkzeug in the Administration Manual of Infront Portfolio Manager.
In the Administration Manual, you also find a simple example for configuring the Portfolio Manager Server.