diff --git a/src/Command/SystemVarsSetCommand.php b/src/Command/SystemVarsSetCommand.php
new file mode 100644
index 0000000..b5c623e
--- /dev/null
+++ b/src/Command/SystemVarsSetCommand.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Command;
+
+use App\Entity\SystemVar;
+use App\Repository\SystemVarRepository;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symfony\Component\Validator\Validator\ValidatorInterface;
+
+#[AsCommand(
+    name: 'app:system:vars:set',
+    description: 'Set the value for a SystemVar',
+)]
+class SystemVarsSetCommand extends Command
+{
+    public function __construct(
+        private EntityManagerInterface $entityManager,
+        private SystemVarRepository $systemVarRepository,
+        private ValidatorInterface $validator,
+    ) {
+        parent::__construct();
+    }
+
+    protected function configure(): void
+    {
+        $this
+            ->addArgument('name', InputArgument::REQUIRED, 'The name of the SystemVar')
+            ->addArgument('value', InputArgument::REQUIRED, 'The value of the SystemVar');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $io = new SymfonyStyle($input, $output);
+        $name = $input->getArgument('name');
+
+        $systemVar = $this->systemVarRepository->findOneBy(['name' => $name]);
+        if (!$systemVar) {
+            $systemVar = new SystemVar;
+        }
+
+        $systemVar->setName($name);
+        $systemVar->setValue($input->getArgument('value'));
+
+        $errors = $this->validator->validate($systemVar);
+        if (count($errors) > 0) {
+            $io->error((string) $errors);
+
+            return Command::FAILURE;
+        }
+
+        $this->entityManager->persist($systemVar);
+        $this->entityManager->flush();
+
+        $io->table(['Name', 'Value'], [[$systemVar->getName(), $systemVar->getValue()]]);
+
+        return Command::SUCCESS;
+    }
+}