final ObjectAction parentAction = (ObjectAction) objectMember;
final ObjectActionParameter actionParam = parentAction.getParameterByName(paramName);
final ActionParameterDescriptionReprRenderer renderer = new ActionParameterDescriptionReprRenderer(getResourceContext(), null, JsonRepresentation.newMap());
renderer.with(new ParentSpecAndActionParam(parentSpec, actionParam)).includesSelf();
return Responses.ofOk(renderer, Caching.ONE_DAY).build();
}