if objectAPI == nil {
		return
	}

	vars := mux.Vars(r)

	subSys := vars["subSys"]
	key := vars["key"]

	_, envOnly := r.Form["env"]

	rd, err := GetHelp(subSys, key, envOnly)
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	json.NewEncoder(w).Encode(rd)
}

// SetConfigHandler - PUT /minio/admin/v3/config