camitk_extension(   ACTION_EXTENSION 
                    DEFINES COMPILE_APPLICATION_ACTION_API
                    CEP_NAME SDK
                    DESCRIPTION "Action-application features basic actions on components, such as open, close, save as ..."
                )

if(NOT ACTION_APPLICATION)
    message(FATAL_ERROR "ACTION_APPLICATION cannot be set to OFF, it is mandatory for any CamiTK applications")
endif()