in 12.2.10 we are getting attachment as zunk characters where as same code working fine in 12.1.3
12.1.3 --the pdf attachment sending via email properly and able to open pdf with out any issues.
after upgrade to 12.2.10 , attachment is going with out any issues but attachment having zunk characters/unreadable characters instead of PDF Attachment .
in code using fnd_request.add_delivery_option API send send email attachment .
not sure why not working in 12.2.10 , can some one kinldy help ....