Notes > Drupal 8/9/10 > Drush > Custom Commands

Custom Commands

Articles & References

Official Documentation
https://www.drush.org/latest/commands/
An Easy Step-by-Step Guide to Writing Your Own Custom Drush 9 (and 10) Commands
Santhosh Kumar, Specbee, Sep 16, 2021
https://www.specbee.com/blogs/writing-your-own-custom-drush-9-and-10-commands

Getting Started

Generate a starting template with:

drush generate drush:command-file, or shorter: drush gen dcf

There isn’t a lot of information about best practice
Definitely read the documentation page
The Drush command code can be used to find examples:
https://github.com/drush-ops/drush/tree/11.x/src/Drupal/Commands/core

Output

Write a line:
$this->output()->writeln(dt('the output string'));