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How to assign lighting loads by floor in OS?

Is there a way to assign lighting definitions in OpenStudio to an entire floor, rather than to a space type or to individual spaces? This would be really useful when using the building area method for lighting power densities where a lighting load is applied to an entire floor across multiple space types, and where other floors have other BAM lighting types. I would like to see a way on the spaces tab to apply a selected lighting definition to multiple space types, rather than have to duplicate space types for each floor level, or manually assign the lighting definitions to 100+ spaces.