Hi @Jack_Donnelly, welcome to the Asana Community Forum! We have a couple of threads on this topic, you can find some details in the links below:
- Add a tag to an Asana task created via Salesforce Flow - #2 by LEGGO
- Automatically relating Asana tasks to Salesforce Opportunities using Flow
- How to link Asana's tasks with Salesforce's "Task"
If you still can’t find the steps. I recommend you to contact our support team and they can give you all details: How to contact our Support Team ✉
I hope this helps!