add_user_id Method
Adds the specified user Id to the current key.
Syntax
def add_user_id(user_id: str) -> None: ...
Remarks
The key's passphrase is required for this operation and may be specified via key_passphrase or through the on_key_passphrase event.
The UserId format is:
FirstName LastName (Comment) <Email>Not all values are required when selecting or generating a key, but at least FirstName or Email are required.