---
title: "buildExpression(_:)"
framework: accessorytransportextension
role: symbol
role_heading: Type Method
path: "accessorytransportextension/accessorymessage/builder/buildexpression(_:)"
---

# buildExpression(_:)

Builds an accessory message from a payload expression.

## Declaration

```swift
static func buildExpression(_ expression: AccessoryMessage.Payload) -> AccessoryMessage
```

## Parameters

- `expression`: A payload to include in the message.

## See Also

### Type Methods - generated

- [buildEither(first:)](accessorytransportextension/accessorymessage/builder/buildeither(first:).md)
- [buildEither(second:)](accessorytransportextension/accessorymessage/builder/buildeither(second:).md)
- [buildOptional(_:)](accessorytransportextension/accessorymessage/builder/buildoptional(_:).md)