---
title: "buildExpression(_:)"
framework: appintents
role: symbol
role_heading: Type Method
path: "appintents/parametersummarycasebuilder/buildexpression(_:)"
---

# buildExpression(_:)

## Declaration

```swift
static func buildExpression<C0>(_ expression: C0) -> C0 where Intent == C0.Intent, Value == C0.Value, C0 : _ParameterSummarySwitchCase
```