lispdoc - results for session-value

(hunchentoot:session-value symbol &optional (session *session*))
Setf: Sets the value associated with SYMBOL from the session object SESSION. If there is already a value associated with SYMBOL it will be replaced. Will automatically start a session if none was supplied and there's no session for the current request.
Function: Returns the value associated with SYMBOL from the session object SESSION (the default is the current session) if it exists.
  
(hunchentoot:delete-session-value symbol &optional (session *session*))
Function: Removes the value associated with SYMBOL from SESSION if there is one.