[Rails] add an array to params

Hello everybody,
I hope you can help me in this problem.
I need to add an array to params in order to send some data from the
view to the controller.
I'm using JavaScript to dynamically add lines lihe this:

<li>
<input type="text" value="...">
<input type="text" value="...">
<input type="checkbox" checked="checked" value="...">
</li>

Then, after the submit I need to access to the the values in this way:

params[:items].each do |i|
logger.debug("--> #{i[:desc]} ");
logger.debug("--> #{i[:value]} ");
logger.debug("--> #{i[:flag]} ");
end

So, I think the proper way is to add te "name" field in this way:

<input type="text" name="items[0][desc]"nvalue="...">

But there is something wrong.
Does someone can help me?

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