Thank It workt, I also try to do some thing els to get the totaal percentage of this values :  
SuspendedEV, Preparing, Error, Finishing, SuspendedEVSE, Unavailable   
and show it as "others", 
 So I want this as a result : 
   status    percent    
 Idle    66.049679     
 X          28.704325     
others  5.245997
  
 I try that but not working: 
  "Set status * for charging point" 
| rex "charging point\s*(?P<charging_point>.*)" 
| rex "Set status\s*(?P<status>.*?,*)\s" 
| eval status=if(like(status,"Charg%"),"X",status)
| eval status=if(like(status,"SuspendedEV","Preparing","Error","Finishing","SuspendedEVSE","Unavailable"),"total",status)
| dedup charging_point 
| top limit=20 status
| fields status, percent
  
						
					
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