Can’t find an API call to get the key for a given row

Client Libraries
1

From Young:

I can’t find an API call to get the key for a given row. How do I get it?

2

By default does not store the actual key, but rather a one-way hash of the key. What this means is that if you wish to retrieve the key, you should store it as a value.

Many customers store this in a bin.