Components All New MacOS Windows Linux iOS
Examples Mac & Win Server Client Guides Statistic FMM Blog Deprecated Old


Queries the DeviceID for a disk.

Component Version macOS Windows Linux Server iOS SDK
FSEvents 6.0 ✅ Yes ❌ No ❌ No ✅ Yes, on macOS ❌ No
MBS( "FSEvents.DeviceID"; Path )   More


Parameter Description Example
Path The path to the disk. "/"


Returns ID or error.


Queries the DeviceID for a disk.

This function requires a native path. Use Path.FileMakerPathToNativePath to convert a FileMaker path to a native path if required. If you like to have the user choose the path, you can use FileDialog functions.
For Server be aware that server has limited permissions and may not be able to access all files on a computer.


Query ID for root:

MBS( "FSEvents.DeviceID"; "/" )

Query ID for volume Test:

MBS( "FSEvents.DeviceID"; "/Volumes/Test" )

See also

This function is free to use.

Created 29th November 2015, last changed 12nd August 2017

FSEvents.DeviceBeingWatched - FSEvents.EventCount