client-id - A unique ID that represents the system app, and is required for OpenID Connect authentication flows.
client-secret - An app-specific secret that allows fabric Identity to validate the system app. This secret is mandatory for system apps to integrate with fabric Identity.
Authorization Url - The fabric Identity HTTP endpoint that the system app communicates with to get its access token. Every fabric merchant is provided with a unique URL.
Follow Getting System app Credentials guide to obtain your system app credentials.
 If you have troubles obtaining 
client-id, client-secret, or Authorization Url, contact fabric support for assistance. 