SETUP_SITE_USER_MANAGE SETUP Endpoint
  /rpc/setup/?method=SETUP_SITE_USER_MANAGE  
  Object: 405. Click here for more information.  
  If the Site's UserAccessType = 'Only Linked Users' (3), use this method to define the list of users who can access the site.  
  PARAMETERS TYPE NOTES
  Id Numeric  
  Remove 1  
       
  Notes Text (2000)  
  Site Numeric  
  User Numeric  
  UserGUID Text  
  RETURN  
  notes ADDED, UPDATED, REMOVED