PdfMetadataSignature class Leave feedback

from datetime import datetime
from groupdocs.signature import Signature
from groupdocs.signature.options import MetadataSignOptions
from groupdocs.signature.domain import PdfMetadataSignature

with Signature("sample.pdf") as signature:
    options = MetadataSignOptions()
    options.add(PdfMetadataSignature("Author", "Mr.Scherlock Holmes"))
    options.add(PdfMetadataSignature("CreatedOn", datetime.now()))
    options.add(PdfMetadataSignature("DocumentId", 123456))
    options.add(PdfMetadataSignature("SignatureId", 123.456))
    result = signature.sign("signed.pdf", options)
    print(f"Signed with {len(result.succeeded)} metadata signature(s):")
    for item in result.succeeded:
        print(f"  {item.name}")