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Gets the UUID associated with a device.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
FSEvents 6.0 Yes No Yes, macOS only No No
MBS( "FSEvents.UUIDForDevice" )   More




Returns UUID or error.


Gets the UUID associated with a device.
Returns empty text if not possible (for example, on read-only device).
A (non-empty) UUID uniquely identifies a given stream of FSEvents. If this (non-empty) UUID is different than one that you stored from a previous run then the event stream is different (for example, because FSEvents were purged, because the disk was erased, or because the event ID counter wrapped around back to zero). An empty return value indicates that "historical" events are not available, i.e., you should not supply a "sinceWhen" value to FSEvents.Create other than "now".
The UUID is returned as 32 hex characters.


Queries UUID for root:

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

See also

Created 29th November 2015, last changed 29th November 2015

FSEvents.Stop   -   FileDialog.GetAllowMulti

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MBS FileMaker Plugins