Custom SynchronizingUserService implementation for Auth0 when using EPiServer

Auth0SynchronizingUserService.cs

public class Auth0SynchronizingUserService : SynchronizingUserService
{
    public override Task SynchronizeAsync(ClaimsIdentity identity)
    {
        //Transform the passed http:/schemas.auth0.com/roles claims to System.Security.Claims
        foreach (var claim in identity.Claims)
        {
            if (claim.Type == "http://schemas.auth0.com/roles")
            {
                identity.AddClaim(new Claim(ClaimTypes.Role, claim.Value));
            }
        }
        return base.SynchronizeAsync(identity);
    }
}