[Zope] Links

Hi, I have a dtml method that have some links to a another dtml method. All those links are directed to this dtml method. How can I in this dtml method, know which link call him? Somethings like this Clients link to Products Delivers link to Products How can I in the Products dtml method, know which link, Clients or Delivers, call him? Please send you answers to: psilva@ruido-visual.pt Thanks, Pedro