...
After recording a mileage on the SAP FSM mobile app, apart from a cost document (direct activity allocation) and a CATS entry, an expense can be posted. Its amount will be calculated based on the rate entered in this transaction (travel lumpsum calculation). The "Ctr" field is checked against the PA30 infotype 0006 (Address) country key.
...
It is required to maintain the following fields in transaction /PACG/ECM_MLGPRP - Mileage definition:
...
The expense code will determine how the expense will be posted, based on settings in transaction /PACG/ECM_VEXPNS – Expenses Customizing.
...