Iterator help needed

[RogerV]

I'm trying to do something similair to the example given in
http://struts.apache.org/2.x/docs/iterator.html where I'm trying to pass
each iterator value to an action. I'm using Struts 2.0.18 and the Convention
plugin. 

I know that assigning value="value" is confusing, but this is from the
middle of page where I'm iterating over a set of MapEntry instances! value
is a list of BBParameter instances.

<s:iterator value="value" var="param" status="parameter">

<s:action name="display-template!getDisplayClass">
        <s:param name="parameterForClass" value="[0]"/>
</s:action>

but I get an error no such method
DisplayTemplate.setParameterForClass([Ljava.lang.String;) when my method in
DisplayTemplate is expecting an instance of BBParameter
(setParamaterForClass(BBParameter parm).

I've reviewed the example above but I don't really understand it,
particularly the reference to <s:push value="..."> - what on earth is this
doing?

Could someone point me in the right direction so that I get an instance of
the BBParameter class passed into my action please

Regards

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