Product: QBO Description: Identifies the e-mail address where the invoice is sent. At present, you can provide only one e-mail address.[br /]If the ToBeEmailed attribute is true and the BillEmail attribute contains an e-mail address, the user can send an e-mail message to the e-mail address that is specified in the BillEmail attribute.[br /]If the BillEmail attribute contains an invalid e-mail address, QBO does not send the e-mail message to the invalid e-mail address. QBO also does not return any error message to indicate that the e-mail address is invalid.[br /]The maximum length for BillEmail is 100 characters. Product: QBW Description: Identifies the email address where the bill or invoice is sent. [br /]UNSUPPORTED FIELD.

public EmailAddress BillEmail { get; set; }