
        }

        if !event.Consents.Marketing {
            return nil
        }

        fmt.Println("Adding user", event.UserID, "to the promotions list")

        return nil
    },
)`
                }],
            },
            {
                number: 5,
                title: "Adding a second handler to the newsletter service",
                description: `
<p>We now have two newsletter lists: one for promotions, and one for news.</p>

<p>We add another handler subscribed to the same event.</p>