SendAdditionalAttribute

Defines another attribute associated with a send.

Name	Data Type	Description
`Client`	ClientID	Defines which account owns the object.
`CorrelationID`	String	Identifies calls involved in a specific asynchronous process.
`CreatedDate`	DateTime	The date and time when the object was created.
`CustomerKey`	String	User-supplied unique identifier for an object within an object type.
`Email`	Email	Indicates email associated with send.
`ID`	Int	Read-only legacy identifier for an object. Not supported on all objects.
`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	Reserved for future use.
`Owner`	Owner	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 objects	A collection of metadata supplied by client and stored by system. This property is accessible only via API.
`Value`	String	Indicates value of attribute.