[Zope] creating new role in DTML

[Oliver Frommel]

Hello,

I am trying to create a new role with a DTML document like this:

  <dtml-call "REQUEST.set('role', 'myrole')">
  <dtml-call "manage_defined_roles(
       'Add Role',
       REQUEST          
  )"> 
 
unfortunately this doesn't seem to create a new role, nor does it produce
an error message. What am I doing wrong?

--Oliver