# Determining which lens to upgrade in AWS WA Tool
<a name="lenses-selecting"></a>

You can find which workloads aren't using the most current lens version by viewing the **Notifications** page. 

The following information is displayed on the **Notifications** page for each workload:

**Resource**  
The name of the workload or review template.

**Resource type**  
The type of resource. This can be either **Workload** or **Review template**.

**Associated resource**  
The name of the lens.

**Notification type**  
The type of upgrade notification.  
+ **Not current** – The workload is using a version of the lens that is no longer current. Upgrade to the current lens version for better guidance.
+ **Deprecated** – The workload is using a version of the lens that no longer reflects best practices. Upgrade to the current lens version.
+ **Deleted** – The workload is using a lens that has been deleted by its owner.

**Version in use**  
The lens version currently used for the workload.

**Current available version**  
The lens version available for upgrade, or **None** if the lens has been deleted.

To upgrade the lens associated with a workload, select the workload and choose **Upgrade lens version**.