---
title: maximumGroupSize
framework: TelephonyMessagingKit
role: symbol
role_heading: Instance Property
platforms: [iOS 26.0+]
path: telephonymessagingkit/rcsservice/configuration/maximumgroupsize
---

# maximumGroupSize

The maximum number of participants allowed for a group chat.

## Declaration

```swift
var maximumGroupSize: Int? { get }
```

## Discussion

Discussion This value is nil if group chat is disabled.

## See Also

### Inspecting chat configuration

- [chatRevokeTimeout](telephonymessagingkit/rcsservice/configuration/chatrevoketimeout.md)