Ading Attachment using Geniric object service

Hi,

Iam ading an attachment to an application object like Purchage order,sales order ... etc.

I am issuing this applicataion object(orders) to print on a FAX, by assigining output type for this object.

My Question is,

Is my attachment also get printed on the fax automatically along with the order?? or should i go for any furuther customizing to get my attachment also printed along with the Order on the fax.

I want this attachment also got printed on the fax along with the Order.

Thanks,