With IBM FileNet Enterprise Manager (FEM), we can follow the steps below to overwrite the property definition in a document class
1. Launch FEM
2. Expand the object store and document class tree. Right click on the document class and select "Properties"
3. Go to "Properties Definitions" tab, highlight the property definition and click "Edit"
4. Make the modification and click OK
5. Click OK again to save the change
How to perform the same operation with FileNet Content Engine - ACCE?
Follow the below steps to update the property definition properties on ACCE: