| Platform SDK: MAPI | 
The PR_RELATED_IPMS property contains a list of identifiers for messages to which a message is related.
| Header file: | MAPITAGS.H | 
| May be exposed by: | Message objects | 
| Identifier: | 0x002D | 
| Property type: | PT_BINARY | 
| Property tag: | 0x002D0102 | 
| Corresponding X.400 attribute: | IM_RELATED_IPMS | 
The identifiers use the same specific construction rules as are used for the PR_SEARCH_KEY property.