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Modifying an Existing Publication

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In Microsoft Lync Server 2010, modifying an existing publication means republishing the category instances of the same name, instance ID and container ID, but with different expiry policies, plus any required expiration time, or XML data values. Each modification is equivalent to a new publication with a higher version number. UCMA automatically increments the version number by one.

The following code example updates an already published personal note presence category instance in the custom Container 1000 with a new message.

string presenceNoteValue = 
         "<note xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" + 
         "      xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"" + 
         "      xmlns=\"https://schemas.microsoft.com/2006/09/sip/note\">" + 
         "  <body type=\"personal\" uri=\"\">New Personal Note Message</body>" + 
         "</note>";

PresenceCategoryWithMetaData pcm = CreatePresenceCategoryInstance(
                    "note", 0, 1000, presenceNoteValue);

RequestGrammarFreePresencePublication(
                     new PresenceCategoryWithMetaData[]{pcm});

To change the expiration type (and the expiration time, if necessary) of this note category instance from endpoint-bound to static-bound, reset the ExpiryPolicy property and republish the modified category instance in a separate publication request.

pcm.ExpiryPolicy = PresenceCategoryWithMetaData.User;

RequestGrammarFreePresencePublication(
                     new PresenceCategoryWithMetaData[]{pcm});