eSign Word Processing document with Metadata signature

GroupDocs.Signature provides WordProcessingMetadataSignature class to specify different Metadata signature objects for MetadataSignOptions instance to sign Word Processing document files. 
Word Processing document metadata is hidden attributes, some of them are visible only over viewing standard document properties like Author, Creation Date, Producer, Entry, Keywords etc.
Word Processing document metadata contains pair of Name and Value, Name should be unique within the document.
Word Processing document metadata could keep big amount of data that allows provides ability to keep serialized custom objects with additional encryption in there.

Here are the steps to add metadata signatures into Word Processing document with GroupDocs.Signature:

How to eSign Word Processing document with Metadata signature

This example shows how to sign Word Processing document with Metadata e-signature.

using (Signature signature = new Signature("sample.docx"))
{
    MetadataSignOptions options = new MetadataSignOptions();

    // Create few WordProcessing Metadata signatures
    WordProcessingMetadataSignature[] signatures = new WordProcessingMetadataSignature[]
    {
        new WordProcessingMetadataSignature("Author", "Mr.Scherlock Holmes"),
        new WordProcessingMetadataSignature("DateCreated", DateTime.Now),
        new WordProcessingMetadataSignature("DocumentId", 123456),
        new WordProcessingMetadataSignature("SignatureId", 123.456M)
    };
    options.Signatures.AddRange(signatures);
  
    // add these signatures to options
    options.Signatures.AddRange(signatures);
    signature.Sign("SampleSigned.docx", options);
}

More resources

Advanced Usage Topics

To learn more about document eSign features, please refer to the advanced usage section.

GitHub Examples 

You may easily run the code above and see the feature in action in our GitHub examples:

Free Online App 

Along with full-featured .NET library we provide simple, but powerful free Apps.
You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.