How do I enable reviews on my hosted website?

I've got the widget enable so if there were any reviews, they would be there. But how does someone leave a review on my site? I don't see a way for them to add a new one. 

Thanks!

You can send them a link manually (or set up a trigger and email with link post-stay) 

 Manual : Bookings > Booking > Reviews > Request From Guest

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Note that, by design, it is not possible for just any old person, visiting your website or in any other way, to write a review.  All reviews must be linked to a specific booking.  That's true whether they're imported from a listing channel, via our Excel import templates, or entered directly by a guest via a link provided as discussed above.

Thank you, this was helpful information.  I was wondering the same thing.