# SchemaAttributeDictionary.h File Reference

`#include <FdoStd.h>`

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## Classes
class | FdoSchemaAttributeDictionary
| The FdoSchemaAttributeDictionary class maintains a dictionary of named attributes that provide a generic extensibility mechanism for objects in the feature schema. This mechanism can be used to dynamically extend schema elements in either an application- or provider-specific manner. More...
## Typedefs
typedef FdoPtr < FdoSchemaAttributeDictionary > | FdoSADP
| FdoSADP is a FdoPtr on FdoSchemaAttributeDictionary, provided for convenience.