There are several types of properties in dbWatch.
Predefined are always present. For example, instances have properties called name and host.
Metadata properties are manually assigned to particular objects in dbWatch (like instances or tasks). Read more.
Dynamic properties are properties that are dynamically defined for objects of a particular type. Read more.
All properties can be queried using DBWQL. For example to access the version property for instances:
Read more about dbwql.