End user can insert a document property into an expression using the Insert Property option in the calculated column expression. This would add a preprocessor($) expression like ${documentproperty}
When renaming a column name, the expression using PreProcessor does not automatically update.
Differences like these should be documented allowing the user to determine which option to use
referencing internal Tibco idea https://ideas.tibco.com/ideas/TS-I-8001
Tibco Case 01898819
PerkinElmer Case 01358902
Hi Susan, we have updated the documentation to help explain the differences. Please see https://docs.tibco.com/pub/sfire-analyst/latest/doc/html/en-US/TIB_sfire-analyst_UsersGuide/index.htm#t=prop%2Fprop_properties_in_expressions.htm