# Core classes

- [Action](/version-0.x/reference/core-classes/action.md)
- [Action methods](/version-0.x/reference/core-classes/action/methods.md)
- [Action properties](/version-0.x/reference/core-classes/action/properties.md)
- [AjaxResponseJson](/version-0.x/reference/core-classes/ajaxresponsejson.md)
- [BasicObject](/version-0.x/reference/core-classes/basicobject.md)
- [BasicObject methods](/version-0.x/reference/core-classes/basicobject/basicobject-methods.md)
- [CacheProvider](/version-0.x/reference/core-classes/cacheprovider.md): Represents a connection to a cache provider.
- [CacheProvider methods](/version-0.x/reference/core-classes/cacheprovider/cacheprovider-methods.md)
- [Color](/version-0.x/reference/core-classes/color.md)
- [DatabaseProvider](/version-0.x/reference/core-classes/databaseprovider.md): Represents a connection to a database provider.
- [DatabaseProvider methods](/version-0.x/reference/core-classes/databaseprovider/databaseprovider-methods.md)
- [DatabaseResult](/version-0.x/reference/core-classes/databaseresult.md): Manages the result of a query to a database.
- [DatabaseResult methods](/version-0.x/reference/core-classes/databaseresult/databaseresult-methods.md)
- [DatabaseResult properties](/version-0.x/reference/core-classes/databaseresult/databaseresult-properties.md)
- [DatabaseRow](/version-0.x/reference/core-classes/databaserow.md): Manages one row of the results of a query to a database.
- [Engine](/version-0.x/reference/core-classes/engine.md)
- [Engine methods](/version-0.x/reference/core-classes/engine/methods.md)
- [Engine properties](/version-0.x/reference/core-classes/engine/engine-properties.md)
- [Gradient](/version-0.x/reference/core-classes/gradient.md)
- [Item](/version-0.x/reference/core-classes/item.md): Represents a fundamental object stored in a database.
- [Item methods](/version-0.x/reference/core-classes/item/item-methods.md)
- [Item properties](/version-0.x/reference/core-classes/item/item-properties.md)
- [Items](/version-0.x/reference/core-classes/items.md)
- [Items methods](/version-0.x/reference/core-classes/items/items-methods.md)
- [Items properties](/version-0.x/reference/core-classes/items/items-properties.md)
- [Image](/version-0.x/reference/core-classes/image.md)
- [JanitorTask](/version-0.x/reference/core-classes/janitortask.md): Represents a task to be executed by Janitor.
- [JanitorTask methods](/version-0.x/reference/core-classes/janitortask/janitortask-methods.md)
- [JanitorTask properties](/version-0.x/reference/core-classes/janitortask/janitortask-properties.md)
- [LogEvent](/version-0.x/reference/core-classes/logevent.md): Represents a log event to be handled by the Log module.
- [LogEvent methods](/version-0.x/reference/core-classes/logevent/logevent-methods.md)
- [LogEvent Properties](/version-0.x/reference/core-classes/logevent/logevent-properties.md)
- [LogEvents](/version-0.x/reference/core-classes/logevents.md): Class that represents a list of LogEvent objects.
- [LogEvents methods](/version-0.x/reference/core-classes/logevents/logevents-methods.md)
- [Module](/version-0.x/reference/core-classes/module.md)
- [Module methods](/version-0.x/reference/core-classes/module/methods.md)
- [Module properties](/version-0.x/reference/core-classes/module/properties.md)
- [Response](/version-0.x/reference/core-classes/response.md)
- [Request](/version-0.x/reference/core-classes/request.md)
- [Request methods](/version-0.x/reference/core-classes/request/request-methods.md)
- [RequestParameter](/version-0.x/reference/core-classes/requestparameter.md)
- [RequestParameter methods](/version-0.x/reference/core-classes/requestparameter/methods.md)
- [RequestPathComponent](/version-0.x/reference/core-classes/requestpathcomponent.md)
- [RequestPathComponent methods](/version-0.x/reference/core-classes/requestpathcomponent/methods.md)
- [Result](/version-0.x/reference/core-classes/result.md)
- [StatsEvent](/version-0.x/reference/core-classes/statsevent.md): Represents stats events for the Stats module. Custom stats events must extend this class.
- [StatsEvent properties](/version-0.x/reference/core-classes/statsevent/statsevent-properties.md)
- [StatsEvents](/version-0.x/reference/core-classes/statsevents.md)
- [StatsEvents methods](/version-0.x/reference/core-classes/statsevents/statsevents-methods.md)
- [SystemLogEvent](/version-0.x/reference/core-classes/systemlogevent.md): Represents system log events for the SystemLog module. Custom system events must extend this class.
- [SystemLogEvent methods](/version-0.x/reference/core-classes/systemlogevent/systemlogevent-methods.md)
- [SystemLogEvent properties](/version-0.x/reference/core-classes/systemlogevent/systemlogevent-properties.md)
- [SystemLogEvents](/version-0.x/reference/core-classes/systemlogevents.md): Class that represents a list of SystemLogEvent objects.
- [SystemLogEvents methods](/version-0.x/reference/core-classes/systemlogevents/systemlogevents-methods.md)