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

# maximumTextMessageSize

The maximum size of a text chat message that a person can enter in a 1-to-1 chat or group chat session.

## Declaration

```swift
var maximumTextMessageSize: Measurement<UnitInformationStorage>? { get }
```

## Discussion

Discussion This value is represented as a Foundation Measurement that uses the UnitInformationStorage unit type. If the messaging service is disabled, the value is nil.