scripting:api:application:un-register-command-listener

Action unknown: addtobook

UnRegisterCommandListener

Method of IApplication

UnRegister listener for existing command by instance

Application.UnRegisterCommandListener(strName, pCommandHandlerListener);
Application.UnRegisterCommandListener strName, pCommandHandlerListener
HRESULT hr = Application.UnRegisterCommandListener(strName, pCommandHandlerListener);