You can get a command block in your Minecraft Java or Bedrock world using cheats and a special chat command.

Command Blocks are special blocks in Minecraft that you can use to execute commands. These can be customized to do a variety of things to automate things on your Minecraft server. Players can do ...

How To Enter Commands In Minecraft In Minecraft, commands can be primarily used via the chatbox; at least most admins and players would want to feed them directly as text to see immediate action.