SITE_SESSION_VARIABLE_SEARCH SITE Endpoint
  /rpc/site/?method=SITE_SESSION_VARIABLE_SEARCH  
  Get a session variable that you have set  
  PARAMETERS TYPE NOTES
  ThisSiteOnly 1 The session variable is only available to the current site - even if sessionid is transferred to another site.
  Variable Text Your name for the variable.
  RETURN  
  notes UPDATED
  value UPDATED
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