We have created a custom output type to send an email confirmation. The config was done with transmission medium 7. RSNASTSO has been copied into ZRSNASTSO as processing program and the routine being called within this program is SAPOFFICE_AUFRUF_VX. The output determination process works upon creating and saving the sales order. However, we were not able to debug the ZRSNASTSO program since the va01/va02 t-code doesn't stop where the break-point was set. The processing log shows that the ZRSNASTO routine SAPOFFICE_AUFRUF_VX as being executed. Any inputs on this is higly appreciated.