Attaches a FileAttachment to an existing Order.
| Method | /sites/{company-id}/ws/soap_v1.svc/CreateOrderFileAttachment | 
The request body is of type CreateOrderFileAttachment.
| Name | Description | Data Type | 
|---|---|---|
| trackingNumber | xml:string | |
| fileAttachment | FileAttachment | 
|  | 
 | 
The response body is of type CreateOrderFileAttachmentResponse.
| Name | Description | Data Type | 
|---|---|---|
| CreateOrderFileAttachmentResult | FileAttachment | 
|  | 
 |