Automate Email Sending with Google Sheets & Apps Script | Step-by-Step Tutorial

[@AhteshamUrRehmanNiazi]

Can I add a trigger to this script? Let's say mail to be triggered if the value in certain cell changes - True/False, Yes/No etc

[@ilitted7586]

I have a question, sir.
If there is a gmail that comes in every day (bill "pdf")
Want to save data from pdf into Google Sheet.
(only parts such as date, expenses)
Please suggest a method or how to write a good script with great respect.