add_pdf_signature method Leave feedback

add_pdf_signature

Creates a new PdfMetadataSignature with the given arguments and adds it to the collection.

def add_pdf_signature(self, name, value, tag):
    ...

Parameter	Type	Description
name	`str`	Name of the metadata signature object.
value	`Any`	Value of the metadata signature.
tag	`str`	Prefix tag of the metadata signature.

Returns: Newly created signature that was added to the MetadataSignatures collection.