This is the transaction for manual sending of person reservation (only for infotype 2001 or 2002) by personnel number (PA30) from SAP ERP backend to FSM Cloud. This is usually not needed to be used unless it is not automatically sent. 
...
Example: In PA30, once infotype 2001 is entered,
...
| Info |
|---|
Updates here do not update / create any CATS entry. |
This will automatically trigger outbound message type "/PACG/ECM_PERS_RRESERVATION"
...
In FSM, this will be set as "Exclusive reservation".
...
Exclusivity status is transferred as the value of the 'Exclusive' field held in idocs of type /PACG/ECM_ITYPE_PERSRESERV.
...