The Definition of Done (DoD) is an agreed upon set of items that have to be completed before an item can be considered being done.
Definitions of Done are created automatically, when an item is moved from one state to another. A set of DoD for each state can be configured in automation rules settings (see the video below).
How to configure Automation Rule:
The solution can be enabled from Solution Library. Please contact our Support Team to enable it on your account, if it's not available yet.