The app Find My Device (FMD) is an open source alternative to the proprietary service offered by Google Google Find My Device.
To get help through SMS, send a message with:
fmd [PIN] help
The answer will be:
FindMyDevice Commands: bluetooth - Toggle Bluetooth on and off camera - Take a picture delete - Factory-reset the device gps - Toggle GPS on and off locate - Locate the device lock - Lock the device nodisturb - Toggle Do Not Disturb on and off ring - Make the device ring stats - Get network statistics help - Show the help
This is the official app provided by Android to access the object tracking service offered by Google.
You must enable this feature:
If the Use Find My Device is on, you can configure some important options about the usage of the FMD network. The FMD network is actually formed by all the Android devices where that feature is enabled; these devices can partecipate to the effort to locate other nearby devices, not only full-featured Android devices but also bluethoot trackers.
You determine how to partecipate to the FMD network, configuring the find your offline devices option: