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-PROBE
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 probe.
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 probe.
MH-T-EXPANSION-HISTORY
Is a record of each attempt to add recipients to the distribution list of the probe. The 
expansion records appear in chronological order. 
MH-T-EXPANSION-PROHIBITED
Indicates whether the originator instructs the MTS to issue a non-delivery report rather 
than expand a distribution list in the case that a recipient’s O/R name denotes a 
distribution list rather than a user. 
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 probe was processed by each MD that transferred it. The entries 
appear in chronological order; the first entry is from the MD that originated the probe. 
For additional information about this attribute, see the its description in MH-C-
MESSAGE on page 3-37.
MH-T-INTERNAL-TRACE-INFO
Documents how the probe was processed by each MTA that transferred it. For additional 
information about this attribute, see its description in MH-C-MESSAGE
 on page 3-37.
MH-T-MTS-IDENTIFIER
Is the MTS identifier of the probe. If copies of the probe are made for routing to 
recipients at different locations, each copy contains the same MTS identifier.
If you omit this attribute when transferring a probe to the GPI service, its value is 
assigned by the GPI_MT_TRANSFER_OUT_ procedure.
MH-T-ORIGINAL-EITS
Provides the EITs of the MH-T-CONTENT attribute that were present when the probe 
was submitted.










