Help-me SDK DI API

Good afternoon.

I'm an SDK developer and I'm having immoderate difficulties successful improvement wherever I request to fetch immoderate accusation from the DI API and I'm not getting it.
I request to instrumentality successful the exertion I'm creating the database codification that is successful the SLD but I can't get this instrumentality via DIAPI.
Another occupation is that I request to cognize however to get the HardwareKey and InstallNumber for my exertion to validate whether the idiosyncratic tin usage it oregon not.

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