# Creating Single Value Attributes

Create a single-value attribute, such as "name," "email," and "last purchase amount."

This topic includes:

* [Prerequisites](/products/customer-data-platform/real-time/creating-single-value-attributes#prerequisites)
* [Create a Single-Value Attribute](/products/customer-data-platform/real-time/creating-single-value-attributes#create-a-single-value-attribute)
* [View Single-Value Attributes](/products/customer-data-platform/real-time/creating-single-value-attributes#view-single-value-attributes)


## Prerequisites

To create attributes, you must have *Full*[Data Workbench permissions](/products/control-panel/security/policies/policy-based-data-workbench-permissions) for all parent segments.

## Create a Single-Value Attribute

1. Open TD Console.
2. Navigate to the **Data Workbench** >**Parent Segments.**
3. Select a parent segment and the folder in which you want to add a single-value attribute.
4. Select **Real-time Configuration**.
5. Select the **Attributes** tab, and then select **Add Attributes**.
6. Select **Single**.


![](/assets/creating-single-value-attributes-2024-07-01.a13f2841b8aca17157272c63aacccb1fd65cff4352c93f72c1ff4e8eb9716dc5.cf3845cb.png)

Review the information in the following table to complete the form.

| Field Name | Description | Required |
|  --- | --- | --- |
| Name | Enter a unique name for your attribute. | X |
| System ID
 | Create a system ID for a unique attribute name. A system ID is a string that starts with an alphabet or underscore (*) and is optionally followed by an alphanumeric and (*). Spaces or special characters are not allowed. The system ID is case-sensitive.
**Example** *systemID924*
 | X
 |
| Description | (Optional) Create a description of the single-value attribute. |  |
| Key event
 | Select a key event from the parent segment.
Optionally, add filters to your key event. For more information, see [Configuring Event Definitions](/products/customer-data-platform/real-time/creating-a-real-time-configuration#configure-event-definitions).
 | X
 |
| Event value | Select the field value from the event stored in the attribute.You cannot change this value after you save the attribute.
 | X |
| Data type | Select the type of data for this attribute (string or numeric) | X |
| Sliding duration | Select the amount of sliding time duration of the data for the attribute. The maximum value is 60 days. | X |
| Batch Backfill
 | (Optional) Check the box to define batch attribute details that can be used as a backfill if a real-time value is not updated:
If you select Batch Backfill, the following information is required:
* **Batch attribute to backfill**: Select a value to use as the backfill.
* **Batch attribute timestamp**: Select the field to store the timestamp for the previously stored value. The timestamp is in Unix seconds format.

The attribute with the most recent timestamp will be used.
You cannot change this value after you save the attribute.
 |  |


1. Select **Create**.


## View Single-Value Attributes

After you have created one or more single-value attributes, you can view them in the Data Workbench.

1. Open TD Console.
2. Navigate to the **Data Workbench** >**Parent Segments.**
3. Select a parent segment in which you want to view single-value attributes.
4. Select the ellipses in the row where the single-value attribute is listed.


![](/assets/creating-single-value-attributes-2024-07-12.2c10e0342002ed9d03900c98b803be46467fdf2c45275295930ee8523bbc8b15.cf3845cb.png)

1. Select **View Details**.


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