Discord.js-commando is an awesome library to make Discord bots, it extends Discord.js. It standardizes bot commands. I am using it in all my Discord bots.

Run function is called automatically when a command is typed as the individual command classes extend parent Commandclass. But we can call it programatically too if we need to run another command from a command or from main bot script. I have not dug deeper into the library, just read documentation.

Thank you for taking time in evaluation my contribution.