# Editing and Deleting a Single-Value Attribute

After creating single-value attributes, you might decide that an existing attribute needs to be changed or deleted.

This topic includes:

* [Prerequisites](/products/customer-data-platform/real-time/changing-a-single-value-attribute#prerequisites)
* [Limitations](/products/customer-data-platform/real-time/changing-a-single-value-attribute#limitations)
* [Edit Single-Value Attribute](/products/customer-data-platform/real-time/changing-a-single-value-attribute#edit-single-value-attribute)
* [Delete Single-Value Attribute](/products/customer-data-platform/real-time/changing-a-single-value-attribute#delete-single-value-attribute)


## Prerequisites

You must have *Full* [Data Workbench permissions](/products/control-panel/security/policies/policy-based-data-workbench-permissions) for all parent segments to change and delete attributes.

## Limitations

* You cannot change the association between the attribute and the event.
* You cannot change the following fields once an attribute has been created:
  * Batch backfill
  * System ID
  * Event value
  * DataType


## Edit Single-Value Attribute

1. Open TD Console.
2. Navigate to the **Data Workbench** > **Parent Segments**.
3. Select a parent segment.
4. Select the **Attributes** tab.
5. Choose one of the following:


* Select the ellipses in the row where the single-value attribute is listed and select **Edit Details**.
* Double-click the attribute you want to open.
* View the attribute (select the ellipses in the row where the single-value attribute is listed)
and then select **Edit**.


![](/assets/changing-a-single-value-attribute-2024-07-10.b638d4cec55e0dbcc48e4cb182987cce128fce018cd0a187f82f8d338782f225.cf3845cb.png)

1. Select **Edit**.
2. You can change the fields listed in the following table.


Review the information in the following table to change your attribute. The table lists only fields that you can change.

| Field Name | Description |
|  --- | --- |
| Name | Change the name of your attribute. |
| Description | (Optional) Create a description of the single-value attribute or change the existing description. |
| Sliding duration | Change the sliding time duration of the data for the attribute. The minimum value is one day, and the maximum is 60 days. |


## Delete Single-Value Attribute

1. Open TD Console.
2. Navigate to the **Data Workbench** > **Parent Segments**.
3. Select a parent segment.
4. Select the **Attributes** tab.
5. Select the ellipses in the row where the single-value attribute is listed.


![](/assets/changing-a-single-value-attribute-2024-07-15.0a77db449c2fa56be9a982e9d81d447b76bc29cbf17494f7bd47bce5611b6b47.cf3845cb.png)

1. Select **Delete**.


See also [Real-time Attribute FAQs](/products/customer-data-platform/real-time/real-time-attribute-faqs).