Transfer Attachment from ECC PR to SAP SRM SC

Hi all,

I am working in ECC EHP6 , SRM 7.02. We are transferring PR from SAP ECC to SRM through PI system.

I need to transfer an Attachment from ECC PR to SAP SRM SC.

Is that a standard or we need to do some custom development??

Is that text needs to be maintained..?Kindly provide the steps for the same..

Thanks in advance.