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				Properties 
				
					Optional  affiliationaffiliation:  string 
				 
				
					Optional  checkout_option checkout_option:  string  
				 
				
					Optional  checkout_step checkout_step:  number  
				 
				
					Optional  content_type content_type:  string  
				 
				
					Optional  couponcoupon:  string 
				 
				
					Optional  currencycurrency:  string 
				 
				
					Optional  descriptiondescription:  string 
				 
				
					event_category  
					event_category:  string  
				 
				
					Optional  event_label event_label:  string  
				 
				
					Optional  fatalfatal:  boolean 
				 
				
					Optional  firebase_screen firebase_screen:  string  
					
				 
				
					Optional  firebase_screen_class  firebase_screen_class:  string   
					
				 
				
					Optional  item_id item_id:  string  
				 
				
					Optional  item_list_id  item_list_id:  string   
				 
				
					Optional  item_list_name  item_list_name:  string   
				 
				
				
					Optional  methodmethod:  string 
				 
				
					Optional  numbernumber:  string 
				 
				
					Optional  payment_type payment_type:  string  
				 
				
				
				
				
					Optional  screen_name screen_name:  string  
				 
				
					Optional  search_term search_term:  string  
				 
				
				
					Optional  shipping_tier shipping_tier:  string  
				 
				
				
					Optional  transaction_id transaction_id:  string  
				 
				
					Optional  valuevalue:  number 
				 
			 
		 
	 
 
  
  
     
  
    
    
      
    
     
  
       
         
  
  
    
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  Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License , and code samples are licensed under the Apache 2.0 License . For details, see the Google Developers Site Policies . Java is a registered trademark of Oracle and/or its affiliates.
  Last updated 2022-07-27 UTC.
 
 
  
  
    
    
    
      
  
  
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      [[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2022-07-27 UTC."],[],[]]
     
  
            
           
         
        
        
        
        
Standard gtag.js event parameters. For more information, see the gtag.js documentation on parameters.