ros2 param load not available on foxy

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The environment is as follows. 　OS：Ubuntu 20.04.2 LTS 　ROS：foxy 　Platform：Parallels MacBook Pro 2017

the following is the output of ros2 param

usage: ros2 param [-h] Call `ros2 param <command> -h` for more detailed usage. ...

Various param related sub-commands

optional arguments:
  -h, --help            show this help message and exit

Commands:
  delete    Delete parameter
  describe  Show descriptive information about declared parameters
  dump      Dump the parameters of a node to a yaml file
  get       Get parameter
  list      Output a list of available parameters
  set       Set parameter

  Call `ros2 param <command> -h` for more detailed usage.

load isn't an option and an error is thrown when I try to use it

The official docs say it is available for foxy https://index.ros.org/doc/ros2/Tutori...

Anyone know what is going on here?