eZ\Publish\Core\Repository\RoleService::getRoleAssignmentsForUserGroup PHP Method

    public function getRoleAssignmentsForUserGroup(UserGroup $userGroup)
    {
        if ($this->repository->hasAccess('role', 'read') !== true) {
            throw new UnauthorizedException('role', 'read');
        }
        $roleAssignments = array();
        $spiRoleAssignments = $this->userHandler->loadRoleAssignmentsByGroupId($userGroup->id);
        foreach ($spiRoleAssignments as $spiRoleAssignment) {
            $role = $this->loadRole($spiRoleAssignment->roleId);
            $roleAssignments[] = $this->roleDomainMapper->buildDomainUserGroupRoleAssignmentObject($spiRoleAssignment, $userGroup, $role);
        }
        return $roleAssignments;
    }