---
title: "setSimulatedError(_:forAPI:)"
framework: storekittest
role: symbol
role_heading: Instance Method
path: "storekittest/sktestsession/setsimulatederror(_:forapi:)"
---

# setSimulatedError(_:forAPI:)

## Declaration

```swift
func setSimulatedError<API>(_ error: API.Failure?, forAPI api: API) async throws where API : FailableStoreKitAPI
```

## See Also

### Instance Methods

- [buyProduct(identifier:options:)](storekittest/sktestsession/buyproduct(identifier:options:).md)
- [simulatedError(forAPI:)](storekittest/sktestsession/simulatederror(forapi:).md)