---
title: "refreshPIRParameters(forExtensionWithIdentifier:)"
framework: identitylookup
role: symbol
role_heading: Instance Method
path: "identitylookup/livecalleridlookupmanager/refreshpirparameters(forextensionwithidentifier:)"
---

# refreshPIRParameters(forExtensionWithIdentifier:)

Communicates with the system to refetch Private Information Retrieval (PIR) parameters from the server.

## Declaration

```swift
func refreshPIRParameters(forExtensionWithIdentifier identifier: String) async throws
```

## Parameters

- `identifier`: The identifier for the app extension.

## Mentioned in

Getting up-to-date calling and blocking information for your app

## Discussion

Discussion This throws an error when the system can’t referesh the PIR parameters.

## See Also

### Checking status and fetching data

- [extensionPointName](identitylookup/extensionpointname.md)
- [openSettings()](identitylookup/livecalleridlookupmanager/opensettings().md)
- [reset(forExtensionWithIdentifier:)](identitylookup/livecalleridlookupmanager/reset(forextensionwithidentifier:).md)
- [status(forExtensionWithIdentifier:)](identitylookup/livecalleridlookupmanager/status(forextensionwithidentifier:).md)