code: function params (options) {
    if (this.params) {
      var list = this.params.map(function (param) {
        var nameSplit = param.name.split('.')
        var name = nameSplit[nameSplit.length - 1]
        if (nameSplit.length > 1) name = '.' + name
        if (param.variable) name = '...' + name
        if (param.optional) name = '[' + name + ']'
        return {
          indent: '    '.repeat(nameSplit.length - 1),
          name: name,
          type: param.type,
          defaultvalue: param.defaultvalue,
          description: param.description
        }
      })
      return options.fn(list)
    }
  }
docs: block helper.. provides the data to render the @params tag