// For complete examples and data files, please go to https://github.com/groupdocs-watermark/GroupDocs.Watermark-for-.NET
string publicKey = "[Your Dynabic.Metered public key]";
string privateKey = "[Your Dynabic.Metered private key]";
Metered metered = new Metered();
metered.SetMeteredKey(publicKey, privateKey);
// Use the library in licensed mode