How to configure wildcard subdomains

Can we configure wildcard subdomains on App Platform?

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To use wildcard subdomains in App Platform the apex domain must be added as a domain to the app as well. Once that has been added you can then setup the wildcard subdomain as well. Any subdomains for that apex domain would then be covered by the SSL certificate for the apex domain.

This would be done using the domains section under your app.

Cheers, Sri Charan