Right now, I have a file called validation.yml with the validation of all the bundle\'s entities in one file.
validation.yml
Blogger\\BlogBundle\\Ent
Since Symfony 3.3 all files present in YourBundle/Resources/config/validation/*
are registered.
Since Symfony 3.4 all files present in %kernel.project_dir%/config/validator/*
are also registered.
You can add to your services.xml
<parameters>
<parameter key="validator.mapping.loader.yaml_files_loader.mapping_files" type="collection">
<parameter>Blogger\BlogBundle\Resources\config\comment.yml</parameter>
<parameter>Blogger\BlogBundle\Resources\config\enquiry.yml</parameter>
</parameter>
</parameters>