Excel VBA to Web.Whatsapp

Hi,

I have found the vba code to send messages via https://web.whatsapp.com, the vba code send messages from textbox but the code is incomplete, it doest not search and match the exact contact list, meaning it will send to all people with same surname, i have below questions, hope someone can enlighthen me:

1. how to search and select contact list in https://web.whatsapp.com and match the exact name only, or match phone number?

2. send customized messsages based on messages and contact list in cell value, eg. A1 = contact list, B1 = customomized massages

3. how to insert and send jpeg picture as attachment?

Attached is the vba file.

Thank you so much for your help.