ok thranks for your response,

I want to read past value in extra xml tag and load it, but it's not really necessary.

Hello everyone, I try to develop an extension, but I have a problem : I would like to set a value in my gui extension, for example if I have this line in my .inx : <param name="flatness" type="float" min="0.0" max="1000.0" _gui-text="Flatness">10.0</...