Is it possible to get keystore in AI2

Is it is possible to get keystore sha1 in AI2 if yes then how

Why not search the forum and find out!

https://community.appinventor.mit.edu/search?q=keystore

I searched but there is no any solution

But where and how I use this code

http://ai2.appinventor.mit.edu/reference/other/appstoplay.html See section on keystore

I found export keystore in designer component but that is disabled