Once the Azure Function and the Snyk Webhook are created, you see data coming in for Snyk projects with the configured retest frequency, or projects that you scan manually and where Snyk identifies new issues.
You can look into the Vulnerability event type to validate that data flows into New Relic.
Vulnerability event type
In addition New Relic provides a curated UI, a New Relic app named Vulnerability Management, that you can use to visualize all the issues being sent.
Vulnerability management app
Vulnerability app management details
The Snyk team has also built a quickstart template that includes a sample custom dashboard to make sure all the data is presented in a Snyk-focused way.
New Relic Snyk dashboard