If you enter the office room, then update your Google Drive timesheet

LinkDesk Room Locator is the next generation motion detector that triggers services and devices as you enter or leave a room. Available at Amazon
Create custom workflows effortlessly by selecting triggers, queries, and actions. With IFTTT, it's simple: “If this” trigger happens, “then that” action follows. Streamline tasks and save time with automated workflows that work for you.
2 triggers, queries, and actions