updated apis

src/lib/apis/1_3.js

@@ -4779,6 +4779,7 @@ api.scroll = ca({
  * @param {String} params.df - The field to use as default where no field prefix is given in the query string
  * @param {Boolean} params.explain - Specify whether to return detailed information about score computation as part of a hit
  * @param {String, String[], Boolean} params.fields - A comma-separated list of fields to return as part of a hit
+ * @param {String, String[], Boolean} params.fielddataFields - A comma-separated list of fields to return as the field data representation of a field for each hit
  * @param {Number} params.from - Starting offset (default: 0)
  * @param {Boolean} params.ignoreUnavailable - Whether specified concrete indices should be ignored when unavailable (missing or closed)
  * @param {Boolean} params.allowNoIndices - Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)
@@ -4835,6 +4836,10 @@ api.search = ca({
     fields: {
       type: 'list'
     },
+    fielddataFields: {
+      type: 'list',
+      name: 'fielddata_fields'
+    },
     from: {
       type: 'number'
     },