is it possible to create a custom extended attribute for the task?
I’ve seen these topics:
https://forum.aspose.com/t/aspose-tasks-add-new-table-field https://forum.aspose.com/t/add-a-extendedattribute-and-make-it-visible-in-msproject https://forum.aspose.com/t/custom-fields-in-tasks https://forum.aspose.com/t/how-to-read-write-custom-attribute-in-mpp-file
I need to create a read-only field, to identify the record in my system (Id).
Could you generate a sample code?