Sets sleep fader time for the selected group of WeMo lights.
    
    
    
      - API endpoint slug
 
      - wemo_lighting.group_led_sleep_fader
 
        - Filter code method
 
        - WemoLighting.groupLedSleepFader.skip(string?: reason)
 
        - Runtime method
 
        - runAction("wemo_lighting.group_led_sleep_fader", {})
 
    
  
  
  
    Action fields
        
          
          
              - Label
 
              - Which group?
 
            - Slug
 
            - groupId
 
            - Required
 
            - true
 
            - Can have default value
 
            - false
 
          
         
        
          
          
              - Label
 
              - Fader time (in minutes)
 
              - Helper text
 
              - WeMo Light group will fade out after this duration
 
            - Slug
 
            - subType
 
            - Required
 
            - true
 
            - Can have default value
 
            - true
 
              - Filter code method
 
              - WemoLighting.groupLedSleepFader.setSub Type(string: subType)