Artesaos\Defender\Repositories\Eloquent\EloquentPermissionRepository::create PHP Method

    public function create($permissionName, $readableName = null)
    {
        if (!is_null($this->findByName($permissionName))) {
            throw new PermissionExistsException('The permission ' . $permissionName . ' already exists');
            // TODO: add translation support
        }
        // Do we have a display_name set?
        $readableName = is_null($readableName) ? $permissionName : $readableName;
        return $permission = $this->model->create(['name' => $permissionName, 'readable_name' => $readableName]);
    }