def get_command_signature(self, command):
parent = command.full_parent_name<EOL>if len(command.aliases) > <NUM_LIT:0>:<EOL><INDENT>aliases = '<STR_LIT:|>'.join(command.aliases)<EOL>fmt = '<STR_LIT>' % (command.name, aliases)<EOL>if parent:<EOL><INDENT>fmt = parent + '<STR_LIT:U+0020>' + fmt<EOL><DEDENT>alias = fmt<EOL><DEDENT>else:<EOL><INDENT>alias = command.name if not parent else parent + '<STR_LIT:U+0020>' + command.name<EOL><DEDENT>return '<STR_LIT>' % (self.clean_prefix, alias, command.signature)<EOL>
Retrieves the signature portion of the help page.

        Parameters
        ------------
        command: :class:`Command`
            The command to get the signature of.

        Returns
        --------
        :class:`str`
            The signature for the command.