chill-bundles/config/services/authorization.yaml

services:
    chill_event.event_voter:
        class: Chill\EventBundle\Security\Authorization\EventVoter
        arguments:
            - "@security.access.decision_manager"
            - "@chill.main.security.authorization.helper"
            - "@logger"
        tags:
            - { name: chill.role }
            - { name: security.voter }
            
    chill_event.event_participation:
        class: Chill\EventBundle\Security\Authorization\ParticipationVoter
        arguments:
            - "@security.access.decision_manager"
            - "@chill.main.security.authorization.helper"
            - "@logger"
        tags:
            - { name: chill.role }
            - { name: security.voter }