RequiredImplementationAttribute ClassKentico 8.1 API Reference
Mark the implementation with this attribute, if two modules try to register more required implementations for same interface, the system throws exception.
Inheritance Hierarchy

OnlineSystem Object
  OnlineSystem Attribute
    CMS RequiredImplementationAttribute

Namespace: CMS
Assembly: CMS.Core (in CMS.Core.dll) Version: 8.0.0.0 (8.1.5347.20411)
See Also