---
title: monitorKinesiasExpirationDate()
framework: coremotion
role: symbol
role_heading: Instance Method
path: coremotion/cmmovementdisordermanager/monitorkinesiasexpirationdate()
---

# monitorKinesiasExpirationDate()

Returns the expiration date for the most recent monitoring period.

## Declaration

```swift
func monitorKinesiasExpirationDate() -> Date?
```

## Return Value

Return Value The current expiration date, or nil if you have not yet begun monitoring.

## Discussion

Discussion This date is set when you call the monitorKinesias(forDuration:) method. You can extend the date by calling monitorKinesias(forDuration:) again; however, you can’t shorten the monitoring duration. You can use the expiration date to determine whether you are currently monitoring the user. guard let experiationDate = movementDisorderManager.monitorKinesiasExpirationDate() else {     // You haven't started monitoring the user.     return }

if experiationDate > Date() {     // Currently monitoring the user. } else {     // The monitoring period has ended. }

## See Also

### Recording Movement Disorders

- [monitorKinesias(forDuration:)](coremotion/cmmovementdisordermanager/monitorkinesias(forduration:).md)