# APIObject

The base object that other SOAP API objects inherit.

## Properties

| Name                | Data Type                                                                            | Description                                                                                                                               |
| ------------------- | ------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------- |
| `Client`            | [ClientID](/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. |
| `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](/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](/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.                   |