OSI/MHS Gateway Programmatic Interface (GPI) Reference Manual
Object Classes and Attribute Types
OSI/MHS Gateway Programmatic Interface (GPI) Reference Manual—522223-001
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MH-C-REPORT
MH-T-CONTENT-EXTENSIONS
Are requests for extended processing as part of a report’s content submission, transfer, 
or delivery. 
MH-T-CONTENT-IDENTIFIER
Provides information used to correlate a message with any reports generated about it. 
This attribute is the same as the like-named attribute of the message to which the report 
pertains.
MH-T-CONTENT-TYPE
Identifies the syntax and semantics of the value of the MH-T-CONTENT attribute of the 
message. This attribute is the same as the like-named attribute of the message to which 
the report pertains.
MH-T-CRITICAL-FOR-DELIVERY
Are integers denoting the attribute types of attributes of this class that have values 
requiring extended processing, which is critical for delivery of the report.
MH-T-CRITICAL-FOR-SUBMISSION
Are integers denoting the attribute types of attributes of this class that have values 
requiring extended processing, which is critical for submission of the report.
MH-T-CRITICAL-FOR-TRANSFER
Are integers denoting the attribute types of attributes of this class that have values 
requiring extended processing, which is critical for transfer of the report.
MH-T-EXPANSION-HISTORY
Is a record of each attempt to add recipients to the distribution list of the message to 
which the delivery report applies. The first record documents the message’s submission 
and the O/R name of the originator. The expansion records follow in chronological 
order. 
MH-T-EXTENSIONS
Are requests for extended processing as part of the object’s submission, transfer, or 
delivery. 
MH-T-EXTERNAL-TRACE-INFO
Documents how the message or probe was processed by each MD that transferred it. 
This is the same as the like-named attribute of the message or probe. This attribute is 
present only if a report identified in the MH-T-PER-RECIPIENT-REPORTS attribute 
was delivered to a recipient whose descriptor (MH-C-MESSAGE-RD or 
MH-C-PROBE-RD) has an MH-T-MTA-REPORT-REQUEST value of 
MH-RQ-ALWAYS-AUDITED.










