Change Print Data.pdf file name (MAIL printer) for invoices using VF31

Hi Team, Friends,

When we processing the invoice layout via VF31 to get invoice details (along with the pdf attachment to the user-id email) as email, the pdf attachment name will be writing as Print Data.pdf as default.

The requirement is to change the pdf attachment file name as Billing document number instead Print Data.pdf

We tried with OSS note 718017 but no use.

Can you please suggest do we have any other OSS notes or user-exits or enhancements to the standard program which processing and can change the attachment name as user expects.

Kindly share your valuable answers.

Thanks,