# DeliverIn

The DeliverIn object is submitted as part of the Deliver request message (input).

Parameter | Type | Description
--- | --- | ---
TransactionIdentifier | long | A string identifying the transaction to be delivered.
Recipients | ArrayOfRecipient | A sequence of identifiers consisting of the recipient's address and delivery information.
ReturnAddress | ReturnAddress | A sequence of identifiers consisting of the return address information.
Callback | Callback | A sequence of elements indicating the Callback URL, Username and Password.
AccountIdentifier | long | An element indicating the Administration account in which to associate the request.
PassthroughIdentifier | string | The PassThroughIdentifier is an optional user-defined generated parameter. This parameter is case-sensitive. The PassThroughIdentifier MUST be unique for each request within a single Account and API call. If a PassThroughIdentifier has been submitted previously for an account and exists in the database, Expere Document Services will return the original transaction ID. A new transaction ID will not be created. If the PassThroughIdentifier is passed in the request and the parameter is empty (null), Expere Document Services will process the request and return a new transaction ID.