---
schema_version: "1"
id: 7ac16341dc07bd6d1d6ae172da04af52c4be27da75e0578f8b705ed4f513db31
title: BounceEvent
collection: developer
version: current
locale: en-us
portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud/guides/mc-apis/bounceevent.md
canonical_url: https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/bounceevent.html
source_site: developer.salesforce.com
content_type: documentation
content_hash: cb122691108d964feb445b5622e18e97b0dfebc3808afa153ff30676859afbcf
products:
  - Marketing Cloud Engagement APIs and Programmatic Languages
  - Marketing Cloud
---
# BounceEvent

Contains metadata related to a bounce event. A bounce event occurs when you send a message but the recipient’s email provider rejects the message.

## Properties

| Name                              | Data Type                                      | Description                                                                                                                                                                  |
| --------------------------------- | ---------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `BatchID`                         | Int                                            | Ties triggered send sent events to other events, such as clicks and opens that occur at a later date and time.                                                               |
| `BounceCategory`                  | String                                         | Defines category for bounce associated with a bounced email.                                                                                                                 |
| `BounceType`                      | String                                         | Defines type of bounce associated with a bounced email.                                                                                                                      |
| `Client`                          | [ClientID](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/clientid.md) object                 | Specifies the account ownership and context of an object.                                                                                                                    |
| `CorrelationID`                   | String                                         | Identifies correlation of objects across several requests.                                                                                                                   |
| `CreatedDate`                     | DateTime                                       | The date and time when the object was created.                                                                                                                               |
| `CustomerKey`                     | String                                         | User-supplied unique identifier for an object within an object type. This property corresponds to the external key assigned to an object.                                    |
| `EventDate`                       | DateTime                                       | Date when a tracking event occurred.                                                                                                                                         |
| `EventType`                       | [EventType](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/eventtype.md) object               | The type of tracking event.                                                                                                                                                  |
| `ID`                              | Int                                            | Read-only identifier for an object. Some objects use the ObjectID property as a unique ID.                                                                                   |
| `ModifiedDate`                    | DateTime                                       | The date and time when the object was last modified.                                                                                                                         |
| `ObjectID`                        | String                                         | System-controlled, read-only text string identifier for object.                                                                                                              |
| `ObjectState`                     | String                                         | Not used.                                                                                                                                                                    |
| `Owner`                           | [Owner](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/owner.md) object                       | Describes account ownership of subscriber in an on-your-behalf account.                                                                                                      |
| `PartnerKey`                      | String                                         | Unique identifier provided by partner for an object. This property is accessible only via API.                                                                               |
| `PartnerProperties`               | Array of [APIProperty](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/apiproperty.md) objects | A collection of metadata supplied by the client and stored by the system. These properties are accessible only via API.                                                      |
| `SendID`                          | Int                                            | Contains identifier for a specific send.                                                                                                                                     |
| `SMTPCode`                        | String                                         | Contains SMTP code related to a bounced email. For a list of possible codes, see pages 43–44 of [RFC 2821](https://www.rfc-editor.org/rfc/rfc2821.txt).                      |
| `SMTPReason`                      | String                                         | Contains SMTP reason associated with a bounced email.                                                                                                                        |
| `SubscriberKey`                   | String                                         | Identification of a specific subscriber.                                                                                                                                     |
| `TriggeredSendDefinitionObjectID` | String                                         | Identifies the triggered send definition associated with an event. This value also appears in tracking events to allow you to tie those events to a specific triggered send. |

## Related Items

- [Supported Operations for Objects and Methods](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/supported_operations_for_objects_and_methods.md)
- [Retrieve Bounce Events Details](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/retrieving_bounce_event_details.md)