Attachment Short Text AR Invoices through interface

Hi

I would like to know if there is a way to upload data to attachment short text using interface.

I am uploading AR Invoice data from third party to Oracle EBS and have long descriptions that cannot be accommodated in to a single field. So I have enabled Attachment short text and want to interface the descriptions to Attachment short text. Can someone tell me if there is a way to upload attachment short text using AR Interface.

Really appreciate if someone can give some idea even if there is a workaround way to do this.

Thanks in advance