if you look in your mapname_fx.gsc it tells you all the fx that are being used in your map in case you wanted to know. i think the magic box light is this line in that .gsc
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Box Mappers Elite
Has released one or more maps to the UGX-Mods community.
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BO3 Modtools Alpha
This user has access to the Black Ops 3 Modtools Alpha
if you look in your mapname_fx.gsc it tells you all the fx that are being used in your map in case you wanted to know. i think the magic box light is this line in that .gsc