How can I display the timestamp as stateformat rather than the event itself? 
			
			
			
				attr <device> stateFormat {ReadingsTimestamp('<device>','state','')}
			
			
			
				or if your fhem is current:attr <device> stateFormat [$name:state:t]
			
			
			
				Thanks guys.  I'm using the latest version.  
The ReadingsTimestamp works, but the other does not.
attr mqtt_motion stateFormat [$name:motion:t]
Have I got this right.  motion is the name of the reading? 
			
			
			
				yes. correct.
are you sure your fhem is current? this feature has been added just a few weeks ago. 
			
			
			
				Some modules support the showtime attribute: if set, FHEMWEB displays the timestamp of the state reading.