VuGen Help with REST API Service

Need help with REST API Service POST.

Submitted my POST call in POSTMAN and it works with no problems.  I tried in Vugen and I'm getting 500 internal error.  One thing I noticed was in POSTMAN there is a tab for Authorization - NO Auth and on the Headers tab i select Authorization - Content Type - Basic "xxxxxxxxxxxxxxx"

In order to get the POST command to work in POSTMAN i noticed I have to click the Authorization tab and select No Auth from the dropdown so it can take my custom authorization header.

My question is, how can I disable this in Vugen, so I can insert my custom authorization header?  Is there a setting or a line of code I need to use?

Thanks!