def showname_value(self) -> typing.Union[str, None]:
        """The "pretty value" (as displayed by Wireshark) of the field."""
        if self.showname and ': ' in self.showname:
            return self.showname.split(': ', 1)[1]
        return None
The "pretty value" (as displayed by Wireshark) of the field.
src/pyshark/packet/fields.py