Method add_command

src/click/core.py:1719–1727

Registers another :class:`Command` with this group. If the name is not provided, the name of the command is used.

(self, cmd: Command, name: str | None = None)

        return info_dict

    def add_command(self, cmd: Command, name: str | None = None) -> None:
        """Registers another :class:`Command` with this group.  If the name
        is not provided, the name of the command is used.
        """
        name = name or cmd.name
        if name is None:
            raise TypeError("Command has no name.")
        _check_nested_chain(self, name, cmd, register=True)
        self.commands[name] = cmd

    @t.overload
    def command(self, __func: t.Callable[..., t.Any]) -> Command: ...