unable to communicate Thingworx studio with mqtt using thingworx foundation server

As I we are working on communication between raspberry and Thingworx using mqtt on local instance Which is working absolutely fine using 1883 server port.

But at the same time facing issue on Vuforia or ptc provided thingworx for thingworx Studio(AR), Can you please help with the same? Or can you suggest other communication method for it.