# SelectIn

The SelectIn object is submitted as part of the Select request message (input).

Parameter | Type | Description
--- | --- | ---
TransactionData | xml | Transaction data in the form of an XML file that will be used to process the request.
ContentIdentifier | string | A string identifying the type of content to be used.
Callback | string | 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.