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Unregistering a GVM

Once you're done with the task associated with your module, you should unregister it from the VIM.

                // First, create a proxy on the video input module if you haven't already
                // done it.
                ALPtr<ALProxy> cameraProxy = getParentBroker()->getProxy( "NaoCam" );
                    
                // Now you are able to unregister your GVM .
                cameraProxy->callVoid( "unsubscribe", GVM_name );
                // Or use the specific video proxy for more efficiency :
                cameraProxy->unsubscribe(GVM_name);
                

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