CXone Studio Data Action output is undefined despite 200 OK

Architect & Flows
1

Just noticed that my external integration data action is returning undefined in the success output mapping, even though the HTTP response is clearly valid JSON. I am using the GetRESTProxy snippet to call a local staging endpoint. The request succeeds (200 OK), but the subsequent ASSIGN action fails to populate the variable.

Here is the snippet logic:

var proxy = GetRESTProxy('myEndpoint');
var response = proxy.Get('/api/v1/status');
// response.Body is valid JSON: {"status": "healthy", "code": 200}

I am mapping the output in the Data Action configuration:

{
 "outputs": {
 "healthStatus": "$.status"
 }
}

The variable healthStatus comes back as undefined in the flow debugger.

  • Verified the JSON structure via Postman; the path $.status is correct and returns the string “healthy”.
  • Tried changing the mapping to $.Body.status and response.status, but both result in undefined or type errors.

Is the GetRESTProxy returning a wrapped object that requires a different JSONPath syntax? Or is there a specific field I need to reference for the raw body?