How to get custom Zwift workouts into Training Peak Library?

So maybe someone can help me figure out how to take my custom zwift workouts and get them into my Training Peaks library to put on my TP calendar? I’m talking about getting my zwift workout library into my Training Peaks library to choose from as I plan my TP calendar…I hope that it is not necessary to re-build every non-Training Peaks workout again within Training Peaks??

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