The attributes of the class OMP_O_IM_C_RECEIPT_NOTIF map to MAPI properties, as follows:
| MH ID/Type | MAPI Property | 
|---|---|
| IM_ACKNOWLEDGEMENT_MODE | PR_ACKNOWLEDGEMENT_MODE | 
| IM_RECEIPT_TIME | PR_RECEIPT_TIME | 
| IM_SUPPLEMENTARY_RECEIPT_INFO | PR_REPORT_TEXT | 
The following constant values are mapped from IM_ACKNOWLEDGEMENT_MODE to PR_ACKNOWLEDGEMENT_MODE:
| IM_ACKNOWLEDGEMENT_ MODE value | PR_ACKNOWLEDGEMENT_ MODE value | 
| IM_AUTOMATIC | 1 | 
| IM_MANUAL | 0 |