Thank you very much, this solved it for me.I had the environment set up in Target, but I did not have the property set up to produce the property token. And, as you pointed out, I didn't have the Adobe Target service set up in the Dev instance of datastreams. Thanks!

Good day all!I'm having difficulty adding a site's lower environments to the list of hosts. I'm following the instructions found at:What are Hosts and How Do I Use Them? | Adobe TargetThis instance of Target is implemented via the web SDK and the lower environments have a different call out to adobe...