Kudos to HossZamani and other users for the code shared on the Dynamo forum here,and here. This code made it clear how the Dynamo journal command works.

https://www.notion.so/parallaxteam/Relay-for-Revit-6732550b41d34bce8edc518c0d0e47b9

This app is provided "as-is" and open source. This is made possible thanks to Parallax Team's commitment to sharing knowledge. Support and a licensed installer is available for subscription at https://www.parallaxteam.com/product/relay/.

This project is licensed under the GNU Lesser General Public License v3 (LGPL-3.0). By using this project you agree to the terms and conditions of the license. A simplified summary of this license is available at TLDRLegal.