noahl  
                
                  
                    April 30, 2025, 12:38pm
                   
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              We have a certification program and want to allow users to join the certified group after confirming their certification ID.
The current idea:
Have a button in a plugin outlet 
On click, open a modal for them to input their certification ID 
Send the ID to the API, and display a message according to the result 
Add them to the group if they’re verified 
 
I want to understand if this is best suited as a Plugin or a Theme component since it’s dealing with API calls
             
            
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              This is the full monty:
  
  
    Summary: Use Verifiable Credentials  to grant access to groups and badges in Discourse. 
plugin installation guide . 
 
 
But depends if your certification programme grants verifiable credentials …
             
            
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                noahl  
              
                  
                    April 30, 2025, 12:51pm
                   
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              I think this might be a little different 
It’s an in house system, rather than an exisiting platform if that makes any difference. Currently, it takes 2 pieces of info (the users email, and the ID) and will return the certifications they have completed
             
            
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              You might get away with a User Field which are exposed on the API.
If not, you’ll need a plugin.
But you’ll need to work out who can see what.
If this is confidential to the User or it’s ok for others to see it etc.
See:
  
  
    The FAQ  isn’t crystal clear about this, so I want to get confirmation. 
If I have a custom user field that is neither: 
Show[n] on public profile
Show[n] on user card
Then it’s effectively private, visible only to the user, admins & moderators?
   
 
             
            
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                noahl  
              
                  
                    April 30, 2025,  1:04pm
                   
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              Amazing!
So thinking out aloud here:
User field that is only visible to the user themselves (plus Admins etc) 
Webhook when “user is updated” should contain contain the ID 
Send the data to a “middle service” that can check the certification API, and then call the add to group Discourse API 
 
Sounds like the most straight forward approach, rather than a plugin
             
            
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