@@ -317,7 +317,7 @@ can also implement value completion for the input in your commands. For
317317instance, you may want to complete all usernames from the database in the
318318``name `` argument of your greet command.
319319
320- To achieve this,override the`` complete () method in the command ::
320+ To achieve this,use the5th argument of `` addArgument ()/`` addOption `` ::
321321
322322 // ...
323323 use Symfony\Component\Console\Completion\CompletionInput;
@@ -326,32 +326,43 @@ To achieve this, override the ``complete()`` method in the command::
326326 class GreetCommand extends Command
327327 {
328328 // ...
329-
330- public function complete(CompletionInput $input, CompletionSuggestions $suggestions): void
329+ protected function configure(): void
331330 {
332- if ($input->mustSuggestArgumentValuesFor('names')) {
333- // the user asks for completion input for the "names" option
334-
335- // the value the user already typed, e.g. when typing "app:greet Fa" before
336- // pressing Tab, this will contain "Fa"
337- $currentValue = $input->getCompletionValue();
338-
339- // get the list of username names from somewhere (e.g. the database)
340- // you may use $currentValue to filter down the names
341- $availableUsernames = ...;
342-
343- // then add the retrieved names as suggested values
344- $suggestions->suggestValues($availableUsernames);
345- }
331+ $this
332+ ->addArgument(
333+ 'names',
334+ InputArgument::IS_ARRAY,
335+ 'Who do you want to greet (separate multiple names with a space)?',
336+ null,
337+ function (CompletionInput $input) {
338+ // the value the user already typed, e.g. when typing "app:greet Fa" before
339+ // pressing Tab, this will contain "Fa"
340+ $currentValue = $input->getCompletionValue();
341+
342+ // get the list of username names from somewhere (e.g. the database)
343+ // you may use $currentValue to filter down the names
344+ $availableUsernames = ...;
345+
346+ // then suggested the usernames as values
347+ return $availableUsernames;
348+ }
349+ )
350+ ;
346351 }
347352 }
348353
354+ ..versionadded ::6.1
355+
356+ The argument to ``addOption() ``/``addArgument() `` was introduced in
357+ Symfony 6.1. Prior to this version, you had to override the
358+ ``complete() `` method of the command.
359+
349360That's all you need! Assuming users "Fabien" and "Fabrice" exist, pressing
350361tab after typing ``app:greet Fa `` will give you these names as a suggestion.
351362
352363..tip ::
353364
354- Thebash shell is able to handle huge amounts of suggestions and will
365+ The shell script is able to handle huge amounts of suggestions and will
355366 automatically filter the suggested values based on the existing input
356367 from the user. You do not have to implement any filter logic in the
357368 command.