# CommonEventData Describes the data of a common event. > **NOTE** > > The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version. ## Properties **Atomic service API**: This API can be used in atomic services since API version 11. **System capability**: SystemCapability.Notification.CommonEvent | Name | Type | Read Only| Optional| Description | | ---------- |-------------------- | ---- | ---- | ------------------------------------------------------- | | event | string | No | No | Name of the common event that is being received. | | bundleName | string | No | Yes | Bundle name. This parameter is left empty by default. | | code | number | No | Yes | Common event data received by the subscriber. The value of this field is the same as that of the **code** field in [CommonEventPublishData](./js-apis-inner-commonEvent-commonEventPublishData.md#properties) when the publisher uses [commonEventManager.publish](./js-apis-commonEventManager.md#commoneventmanagerpublish-1) to publish a common event. The default value is **0**. | | data | string | No | Yes | Common event data received by the subscriber. The value of this field is the same as that of the **data** field in [CommonEventPublishData](./js-apis-inner-commonEvent-commonEventPublishData.md#properties) when the publisher uses [commonEventManager.publish](./js-apis-commonEventManager.md#commoneventmanagerpublish-1) to publish a common event.| | parameters | {[key: string]: any} | No | Yes | Additional information about the common event received by the subscriber. The value of this field is the same as that of the **parameters** field in [CommonEventPublishData](./js-apis-inner-commonEvent-commonEventPublishData.md#properties) when the publisher uses [commonEventManager.publish](./js-apis-commonEventManager.md#commoneventmanagerpublish-1) to publish a common event. |