# mgIdentifier.h File Reference

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## Namespaces
namespace | OSGeo
namespace | OSGeo::FDO
namespace | OSGeo::FDO::Expression
## Classes
class | OSGeo::FDO::Expression::Identifier
| The Identifier class derives from Expression and represents an identifier, such as a class name or property name. Identifiers can be just a name or they can be scoped to a particular context. For example, consider a Person class that has a DataProperty called "Name" and a ClassProperty called "Address". The Address class has DataProperties "Street", "City", and "Zip Code". When manipulating instances of a Person, the "Name" property can be referred to by the property name "Name". The "City" property is scoped inside the "Address" property, hence must be referred to by the property name "Address.City". More...