---
title: "init(userIdentityLookupInfos:)"
framework: cloudkit
role: symbol
role_heading: Initializer
path: "cloudkit/ckfetchshareparticipantsoperation/init(useridentitylookupinfos:)"
---

# init(userIdentityLookupInfos:)

Creates an operation for generating share participants from the specified user data.

## Declaration

```swift
convenience init(userIdentityLookupInfos: [CKUserIdentity.LookupInfo])
```

## Parameters

- `userIdentityLookupInfos`: The user data for the participants. If you specify nil, you must assign a value to the doc://com.apple.cloudkit/documentation/CloudKit/CKFetchShareParticipantsOperation/userIdentityLookupInfos property before you execute this operation.

## Discussion

Discussion After you create the operation, assign a handler to the fetchShareParticipantsCompletionBlock property to process the results.

## See Also

### Creating an Operation

- [init()](cloudkit/ckfetchshareparticipantsoperation/init().md)