How to fetch value from another DFF

Summary:

We have a two DFFs created in Journal Lines: Project Name and Project ID. These values are from the project table. if the users select the project name, the project ID should be displayed in the other DFF, is this possible and how can this be done?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):