Question about the Congo process example

Hi people,

Sorry for repeating the question, but it's because I didn't receive any answer...
 
I have a question concerning to the CongoProcess example. In the begining of the FullCongoBuyProcess, LocateBook is invoked and, if the book is found in stock, the process continues. If this condition is not true, the process ends. However, in the LocateBook process definition, there are two results: one positive result and one negative result. For the positive result, the effect is that LocateBookOutput is of type ISBN. For the negative result, the effect is that the book is out of stock. However, there isn't any description of the output itself. How can we know what is the output? Isn't it missing an OutputBinding?
 
Thank you in advance,

Tatiana.


		
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