How to return boolean result to different module

Looking to return a boolean result from one module into another. Is there a specific formula or approach I need to take for this? I'd looked to just link straight to the line item in the module, however this doesn't currently seem to be working.

Would it be a problem if they are using different time ranges between the modules? The initial boolean is in a module that uses a model time calendar, where as the module that I trying to return this into one that applies Long Term strat forecast - is this difference in time range what could be causing the problem? Let me know if need any additional information or screenshots.

Thanks

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