Laravel use queue:listen but it called another file

i have new project, i create file App\Helpers\function.php in method construct() i Log::info(123). Then i run command php artisan queue:listen, supprise file function.php was called. I don't know why function.php called. I don't include it in autoload on composer.json. Please tell me why? Thank you. This is my code. enter image description here

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