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title: Hyperlink & Button Expiry Specs
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---
## Hyperlink Expiration

The pre-signed URL will be available to be clicked for **3 days**. Once clicked, **pre-signed URLs** will automatically expire **5 minutes**

Once the URL has expired, a new URL can be generated using the expired link, and it will be sent to the original user via an authenticated session with the Copilot.

## Security Details

To properly safeguard your data, pre-signed URLs include a randomly generated 16-byte token.

Once generated, the pre-signed URL can only be used to perform the following actions:

* View the ticket Activity Log
* View the ticket short description
* View the ticket description
* Add comments to a single ticket
* Close the ticket

## Button Expiration

Buttons that contain a link and redirects a user to a URL generally expire after 14 days. If a user clicks on a button with an expired link they will be given the option to generate a new link when they visit the expired URL.

## When do buttons in Moveworks AI Assistant expire?

For built-in plugins in the Moveworks AI Assistant, buttons will expire if any of the following conditions are met:

* The button was created over 30 days ago.
* The total number of conversations topics encountered since the button was created exceeds 50.
* The total number of actions exceeds 100.

Note: There are certain buttons that can only be clicked on once.