How can I find version of convergent encryption that it is being used now?
In documentation three versions are described, but I can`t find it in UI/API call response 
If you read the key using the GET [1] endpoint, keys configured to use convergent encryption will return a field called convergent_encryption_version.
[1] https://www.vaultproject.io/api/secret/transit/index.html#read-key
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Hi there, Thanks to reply.
1. How to specify convergent version when I create key?
2. What is -1 in convergent_encryption_version?
readkey, convergent_encryption_version return -1 in my case.