<div class="content"><p> </p><p>The DRS_MSG_GETCHGREQ_V4 structure defines the request
message sent to the <span><a href="b63730ac-614c-431c-9501-28d6aca91894" data-linktype="relative-path">IDL_DRSGetNCChanges</a></span>
method. This message version is a superset of <span><a href="6a2a056c-ac7f-47d0-9e6d-9023a4e5947c" data-linktype="relative-path">DRS_MSG_GETCHGREQ_V3</a></span>.<a id="Appendix_A_Target_27"></a><a aria-label="Product behavior note 27" href="e3b89556-4e48-467c-87b3-b4a737cc4999#Appendix_A_27" data-linktype="relative-path">&lt;27&gt;</a></p><dl>
<dd>
<div><pre> typedef struct {
   UUID uuidTransportObj;
   [ref] MTX_ADDR* pmtxReturnAddress;
   DRS_MSG_GETCHGREQ_V3 V3;
 } DRS_MSG_GETCHGREQ_V4;
</pre></div>
</dd></dl><p><b>uuidTransportObj:</b>  The <span><a href="../ms-ada3/937eb5c6-f6b3-4652-a276-5d6bb8979658" data-linktype="relative-path">objectGUID</a></span>
of the <span><a href="../ms-adsc/299e17d3-4d05-445f-ae8c-9d5abf598873" data-linktype="relative-path">interSiteTransport</a></span>
<span><a href="e5c2026b-f732-4c9d-9d60-b945c0ab54eb#gt_8bb43a65-7a8c-4585-a7ed-23044772f8ca" data-linktype="relative-path">object</a></span>
that identifies the transport by which to send the reply.</p><p><b>pmtxReturnAddress:</b>  The
transport-specific address to which to send the reply.</p><p><b>V3:</b>  Version 3 request.</p></div>