[Zope] persistance

[Michel Vayssade]

Hi,

I have an instance of an object of a product, which inherits
Persistent.

I made some : self.listdata[item] = newdata

OK newdata is used ... until I made a "Refresh" product
then newdata has disapearded replaced by "initdata".

Does I have something to do after self.listdata[item] = newdata
to get it written in zodb ?

thanks, if somebody can help

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