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# Resource: Attribute Value

# Type: Attribute Value Object

# Link: https://dev.wix.com/docs/api-reference/business-solutions/bookings/resources/attributes/attribute-value/attribute-value-object.md

## Description: An attribute value stores the value of an attribute definition for a specific entity.
Each attribute value references its definition and the entity it belongs to.

## Schema:

```json
 Type: Attribute Value Object | type: AttributeValue
 Description: An attribute value stores the value of an attribute definition for a specific entity.
Each attribute value references its definition and the entity it belongs to.
       - name: id  | type: string | description: Attribute value ID.
       - name: revision  | type: string | description: Revision number, which increments by 1 each time the attribute value is updated.
           - name: value  | type: string | description: 
       - name: createdDate  | type: string | description: Date and time the attribute value was created.
           - name: seconds  | type: string | description: 
           - name: nanos  | type: number | description: 
       - name: updatedDate  | type: string | description: Date and time the attribute value was last updated.
       - name: attributeDefinitionId  | type: string | description: ID of the attribute definition this value belongs to.
       - name: entityId  | type: string | description: ID of the entity this value belongs to. An entity is any resource your application owns (in the current Rentals integration, a Bookings resource); this API does not validate it. Use the same ID passed to `BulkUpsertAttributeValues` and `ListEntityAttributes`.
       - name: valueType  | type: string | description: Value type of this attribute. Matches the related attribute definition's value_type. Set on create and never changes.
           enum: STRING, NUMBER, BOOL
       - name: extendedFields  | type: ExtendedFields | description: Custom field data for the attribute value. [Extended fields](https://dev.wix.com/docs/rest/articles/getting-started/extended-fields.md) must be configured in the app dashboard before they can be accessed with API calls.
           - name: namespaces  | type: object | description: Extended field data. Each key corresponds to the namespace of the app that created the extended fields. The value of each key is structured according to the schema defined when the extended fields were configured.  You can only access fields for which you have the appropriate permissions.  Learn more about [extended fields](https://dev.wix.com/docs/rest/articles/getting-started/extended-fields.md).

```