I you are using any Projet Management / Requirement tool
HTML file can be used to generate an alert once UAT is signed off by users
Alert contains the project name with description and priority of the project in subject mail triggers
UAT has been signed off the subject project (Project id)
Category : Project / Ticket
Status : UAT Signed off
Priority : High / Medium / Low
Functional Area / Business Requirement:
Production Release / Implementation date (if required)