Help for a beginner. Download a PDF file from an email and forward it via WhatsApp

What are you trying to achieve?

:us: I receive an email from a specific sender with a PDF (invoice).
The recipient of the email varies.
I need to download this PDF and forward it via WhatsApp (the phone number is not included in the email).
I need to link the email recipient to a WhatsApp number.

Can anyone help me with this?
Thank you very much.

Recebo um email de um determinado remetente com um pdf (nota fiscal).
O destinatário do email são variados.
Preciso baixar esse pdf e encaminhar por whatsapp (no email não consta o numero)
Preciso relacionar o destinatário do email a um whatsapp.

Alguém consegue me ajudar?
Muito Obrigado

Welcome to the Make community!

If you do not know the phone number, or if the user has not messaged you via Whatsapp before, you cannot send them a message.

Hope this helps! Let me know if there are any further questions or issues.

— @samliew

P.S.: Investing some effort into the Make Academy will save you lots of time and frustration using Make.