add_range method Leave feedback

def add_range(self, signatures):
    ...

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

def sign_docx():
    with Signature("sample.docx") as signature:
        options = MetadataSignOptions()
        signatures = [
            WordProcessingMetadataSignature("Author", "Mr.Scherlock Holmes"),
            WordProcessingMetadataSignature("DateCreated", datetime.now()),
            WordProcessingMetadataSignature("DocumentId", 123456),
            WordProcessingMetadataSignature("SignatureId", 123.456),
        ]
        options.signatures.add_range(signatures)
        result = signature.sign("signed.docx", options)
        print(f"Signed with {len(result.succeeded)} metadata signature(s):")
        for item in result.succeeded:
            print(f"  {item.name}")