# Open the MetaClass in the ''[[Class Details#Classification|Classification View]]''<br/>[[File:UI Classification_02.PNG|220px|border|alt=Classification|Classification]]
# Select the MetaProperty you want to activate the Journal journal feature for# Select the Checkbox "Changelog active" in the details of the right hand RelationData editor.
# Save the MetaClass
Now the logging of all value changes for the selected property is activated.
It is possible to turn off this feature by again removing the check at unchecking "changelog active".
[[Category:How-To]]