Experience Builder Dev Edition Connections to Portal Environments

[DerekJuracek_Red]

Hello,

I am working on a custom experience builder app in dev edition. The oauth is registered with arcgis online, however my client has internal data on a portal environment I need to bring in, such as a webmap and services. What is the best approach to accomplish this? I am wondering if I need to set up some kind of token, etc.? Thank you! 

Derek 

[TimWestern]

So I am presuming when you say portal you Mean ArcGIS Enterprise.  I tried this recently, and you can setup a client ID.  However, I had issues trying to debug a custom widget in dev edition when running off enterprise portal.  I suspect it has something to do with CORS settings that I didn't have access to at the time.