The precondition for connecting your Silver Crest Smart Home products to Conrad Connect is setting up the access point and the devices according to the Silver Crest manual.
As soon as Silver Crest Smart Home works with the app, you can authenticate to Conrad Connect.
Open the app "Silver Crest Smart Home" and tap the hamburger menu. Open the preferences.
Tap voice control and additional services and in the opening menu then "Conrad Connect".
Enable status reports and Confirm sending status reports to Conrad Connect, as this is necessary to use all features of Conrad Connect with your devices. Confirm the dialog by clicking "confirm" (or on iOS "finish").
now tap "couple" and then "request key" to get an activation key. Note the key.
After logging in to Conrad Connect, open the Homematic IP device page on the "Devices and Apps" page. Click the authenticate button.
Enter the activation key into the corresponding text field.
After finishing the authentication you will see a list of devices and sensors that are compatible with Conrad Connect and available to use.