Need Help Associating a Salesforce Flow Created Asana Project with the Triggering Salesforce Record

I am using Salesforce Flow to create an Asana project on my Asana team when a new Salesforce Project Record is created. The project creation I have done and is working. What I need help with is associating the new Asana project with the new Salesforce project so we can track progress of the Asana project in the Salesforce Project record.

I am attaching a screen cap of my Flow for reference.