SALib for EnergyPlus

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I'm trying to run sensitivity analysis in Grasshopper, which is a visual programming interface for Rhino. I have created my building model in Grasshopper and I use EnergyPlus components in Grasshopper for energy analysis. In Grasshopper, I'm capable of writing Python scripts and use SALib for sensitivity analysis. But, I really don't know how to connect my model in EnergyPlus to SALib and how to define the inputs.

I'd appreciate if you could give me a hint or if there is any references that I can read to figure this out.