Content Class Definitions
Topic Last Modified: 2006-06-12
Content class definition items contain properties that define aspects of content stored in the Exchange store. The following table lists and describes the properties used to define content classes.
| Property name | Value |
|---|---|
The name of the content class. By convention, content class names are constructed using the same mechanism as property names. For example: "urn:schemas-domain-tld:content-classes:classA". |
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urn:content-classes:contentclassdef- This designates the item as a content class definition item. |
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A multivalued string containing the names of properties associated with the specified content class. Each referenced property must have a corresponding property definition item within scope. |
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A multivalued string containing the names of content classes that the specified class extends or inherits from. Each name must have a corresponding content class definition item within scope. |
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If defining a folder content class, this property is a multivalued string containing the names of content classes expected for items in a folder that belong to this class. |
The urn:schemas-microsoft-com:exch-data: Namespace contains several other properties that can be attributed to a content class for informational purposes.