[Home](./index.md) > [@digitalpersona/services](./services.md) > [AttributeAction](./services.attributeaction.md) ## AttributeAction enum Enumerates supported actions that can be performed on user's attributes. Signature: ```typescript export declare enum AttributeAction ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | Append | 3 | Append a value to the existing multi-value attribute. | | Clear | 1 | Clear an attribute's value. | | Delete | 4 | Delete an attribute. | | Update | 2 | Update an attribute's value. |