[Zope] Storing list as object attributes

[kent sin]

Is it possible to store a list as attributes to DTML
Document? 

I have an application which I need to store a list of
0 to 7 persons who sign the letters. Because the name
take various forms in various place and they contain
both chinese name and western forms which I would like
to have store the reference instead of the name in the
list.

I intend to have persons as DTML Document with
attributes representing their names. 

In the letter object, (a DTML document also), I would
like to have an attribute to store the list who sign
it.

How can I do this? 

Rgs,

Kent Sin

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