Hi,
Here is an example by using the webServiceModel.vsm/vsi files in the Example project under LISA_HOME.
After deplyoing these files to Virtual Service Environment and accessing from the test case.
The Request Event Details in the Inspection View was like below:
In this screenshot, there are "Virtual HTTPS Listner 8001", "VS Image Response Selection", "Virtual HTTPS Responder" and "(unknown)" steps under the "Execution Step Name".
In the same Inspection View, the Matching in the Inspection View was below:
By checking your screenshots, there are only "Virtual HTTPS Listner 8238" and "(unknown) steps under the "Execution Step Name" at the Request Event Details in the Inspection View.
Then your transaction from your HTTP/S client did not go to "VS Image Response Selection" and "Virtual HTTPS Responder" steps which should be existed in your vsm file.
I think this behavior(transaction did not go to "VS Image Response Selection" and "Virtual HTTPS Responder" steps) caused to show the empty Matching in the Inspection View.
Please check the differences between webServiceModel.vsm file in the Example Project and your vsm file.
Cheers,