Changes the brightness level of the selected group of WeMo lights. If the group is off it will turn on with selected brightness level.
    
    
    
      - API endpoint slug
 
      - wemo_lighting.group_led_brightness_change
 
        - Filter code method
 
        - WemoLighting.groupLedBrightnessChange.skip(string?: reason)
 
        - Runtime method
 
        - runAction("wemo_lighting.group_led_brightness_change", {})
 
    
  
  
  
    Action fields
        
          
          
              - Label
 
              - Which group?
 
            - Slug
 
            - groupId
 
            - Required
 
            - true
 
            - Can have default value
 
            - false
 
          
         
        
          
          
              - Label
 
              - Dimmed level?
 
            - Slug
 
            - subType
 
            - Required
 
            - true
 
            - Can have default value
 
            - true
 
              - Filter code method
 
              - WemoLighting.groupLedBrightnessChange.setSub Type(string: subType)