Here is a simple hello world command run using the command

– Please create the following module for command :

app/code/Vendor/Module/registration.php

• Create a new model class, it will contain the options, description, and logic of your command.

  app/code/Vendor/Module/Model/Generation.php
  

  namespace Vendor\Module\Model; use \Symfony\Component\Console\Command\Command; use \Symfony\Component\Console\Input\InputInterface; use \Symfony\Component\Console\Output\OutputInterface; class Generation extends Command { protected function configure() { $this->setName('custom:create') ->setDescription('The description of you command here!'); parent::configure(); } protected function execute(InputInterface $input, OutputInterface $output) { $output->writeln('Hello World!'); } }

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  namespace Vendor\Module\Model;   use \Symfony\Component\Console\Command\Command; use \Symfony\Component\Console\Input\InputInterface; use \Symfony\Component\Console\Output\OutputInterface;   class Generation extends Command {     protected function configure()     {         $this->setName('custom:create')              ->setDescription('The description of you command here!');           parent::configure();     }       protected function execute(InputInterface $input, OutputInterface $output)     {         $output->writeln('Hello World!');     } }

  app/code/Andre/Tools/etc/di.xml
  

  <?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd"> <type name="Magento\Framework\Console\CommandList"> <arguments> <argument name="commands" xsi:type="array"> <item name="create" xsi:type="object">Vendor\Module\Model\Generation</item> </argument> </arguments> </type> </config>

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  <?xml version="1.0"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">     <type name="Magento\Framework\Console\CommandList">         <arguments>             <argument name="commands" xsi:type="array">                 <item name="create" xsi:type="object">Vendor\Module\Model\Generation</item>             </argument>         </arguments>     </type> </config>

  Now, run upgrade command to register module : bin/magento setup:upgrade

  To run the command, just create :

  bin/magento custom:create.

  1	bin/magento custom:create.

Then add your own logic under the execute() method.

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