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# discoverUserIdentities

Fetches all users in the specified array.

```
Promise<CloudKit.UserIdentitiesResponse, CloudKit.CKError> discoverUserIdentities(
	CloudKit.UserLookupInfo[] userLookupInfos
);
```

## Parameters

`userLookupInfos`

Array of information about users to fetch.

## Return Value

A `Promise` object that resolves to a [`CloudKit.UserIdentitiesResponse`](/documentation/CloudKitJS/CloudKit.UserIdentitiesResponse) object, or rejects to a [`CKError`](/documentation/CloudKitJS/CloudKit/CKError) object.

## Discussion

This method returns information about those users who meet the following criteria:

- The user must be in the current user’s address book.
- The user must have run the app.
- The user must have granted the permission to be discovered for this container.

---

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