---
title: update_max_num
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/mdquerybatchingparams/1413068-update_max_num
---

# update_max_num

The maximum number of results that can accumulatebefore an update notification is sent. This value is used only duringthe live-update phase of a query.

## Declaration

```swift
var update_max_num: Int
```