// replace <featureUID> with a real UID 

 #include <featmgr/featmgr.h>
 #include <bldvariant.hrh> // for feature definitions

 CMyClass::ConstructL()
     {
     // Sets up TLS, must be done before FeatureManager is used.
     FeatureManager::InitializeLibL();
     // Used in destructor. 
     iFeatMgrInitialized = ETrue;
     }

 CMyClass::ShowMenuL()
     {
     if ( FeatureManager::FeatureSupported( <featureUID> ) )
         {
         // Feature supported, show menu item associated with it.
         }
     }

 CMyClass::~CMyClass()
     {
     // Do not call UnInitializeLib() if InitalizeLib() leaves.
     if ( iFeatMgrInitialized )
         {
	      // Frees the TLS. Must be done after FeatureManager is used.
         FeatureManager::UnInitializeLib();  
         }
     }