--- schema_version: "1" id: 1c33658f9fd22d8b9f2dcf709fe2c16ad007eac46ba944daa2a3ca716fede216 title: SendDefinitionList collection: developer version: current locale: en-us portal_url: https://docs.salesforce.com/developer/current/en-us/marketing-cloud/guides/mc-apis/senddefinitionlist.md canonical_url: https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/senddefinitionlist.html source_site: developer.salesforce.com content_type: documentation content_hash: ed9cab1ecf4e95b8a1a545f0a308940ea46940b5362e83332ce57a323744fec5 products: - Marketing Cloud Engagement APIs and Programmatic Languages - Marketing Cloud --- # SendDefinitionList The SendDefinitionList object specifies audience associated with an email send definition. ## Properties | Name | Data Type | Description | | ------------------------ | ----------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `Client` | [ClientID](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/clientid.md) | 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. | | `CustomObjectID` | String | Represents the ID of the sendable data extension used as part of a send. | | `DataSourceTypeID` | [DataSourceTypeEnum](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/datasourcetypeenum.md) | Defines data source to be used as part of send. Valid values include: | | `FilterDefinition` | [FilterDefinition](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/filterdefinition.md) | Defines filters to apply to an audience. | | `ID` | Int | Read-only identifier for an object. Some objects use the ObjectID property as a unique ID. | | `IsTestObject` | Boolean | Indicates the specified send is a test send. A value of true indicates a test send. | | `List` | [List](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/list.md) | List associated with an object. | | `ModifiedDate` | DateTime | The date and time when the object was last modified. | | `Name` | String | Name of the object or property. | | `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) | Describes account ownership of subscriber in an on-your-behalf account. | | `Parameters` | Array of [APIProperty](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/apiproperty.md) objects | Container for key value pairs of parameters for objects. | | `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. | | `SalesForceObjectID` | String | Identifies Salesforce object accessed via API interactions. The Salesforce instance determines this ID. | | `SendDefinitionListType` | [SendDefinitionListTypeEnum](https://developer.salesforce.com/docs/marketing/marketing-cloud/guide/senddefinitionlisttypeenum.md) | Defines type of send definition list. Valid values include: |