---
title: first_max_num
framework: coreservices
role: symbol
role_heading: Instance Property
path: coreservices/mdquerybatchingparams/1413089-first_max_num
---

# first_max_num

The maximum number of results that can accumulatebefore the first progress notification is sent. This value is usedonly during the initial result-gathering phase of a query.

## Declaration

```swift
var first_max_num: Int
```