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Forum Post: What is the difference between destination address and nwkAddressOfInterest in zdoUserDescriptorRequest?

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Hello,

   I noticed that the descriptor request methods include zdoUserDescriptorRequest contain two parameters: "destination address" and "nwkAddressOfInterest". I've read through the code but have yet to find a good description of the difference between these two fields. When would one be different from the other? Do End Devices cache their descriptor information with their parent, so one could query a parent for a sleeping end device's descriptor?

Thanks,

Derek


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