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# MSMessageLayout

An abstract base class that defines the appearance of [`MSMessage`](/documentation/Messages/MSMessage) objects in the conversation transcript.

```
class MSMessageLayout
```

## Overview

You do not subclass `MSMessageLayout` or create instances of it directly. Instead, instantiate the provided concrete subclass, the [`MSMessageTemplateLayout`](/documentation/Messages/MSMessageTemplateLayout) class.

## Relationships

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

### Conforms To

[`NSCopying`](/documentation/Foundation/NSCopying)

[`Equatable`](/documentation/Swift/Equatable)

[`Hashable`](/documentation/Swift/Hashable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`CVarArg`](/documentation/Swift/CVarArg)

### Inherited By

[`MSMessageLiveLayout`](/documentation/Messages/MSMessageLiveLayout)

[`MSMessageTemplateLayout`](/documentation/Messages/MSMessageTemplateLayout)

---

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