In VGS dashboard, you can press the VAULT URLs dropdown to see the inbound and outbound route. Copy the inbound route and paste it in the corresponding environment variable.
VGS Username and VGS Password
You can create these credentials by going to ADMINISTRATION > Vault Settings in your dashboard, then Access Credentials, and then click on the "Generate credentials" button.
Also, make sure to have the Fingerprinting and Intercept CORS options enabled in the Advanced tab under the VGS vault settings.