docs: function allowModelScope (args) {
      // start new audit
      this.newAudit(args, 'modelScope')
      // check any scope
      args.scope = 'any'
      // check access
      var allow = this.allowModel(args)
      // access to any is allowed
      if (allow) {
          return this.audit.setScope('any')
      }
      // check own scope
      args.scope = 'own'
      // check access
      var allow = this.allowModel(args)
      // return own if allowed or undefined if denied
      return this.audit.setScope(allow ? 'own' : undefined)
  }