action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
action->set_param("value_desc",value_desc);
action->set_param("type",type);
action->set_param("canvas_interface",etl::loose_handle<CanvasInterface>(this));
action->set_param("value_desc",value_desc);
action->set_param("type",type);