update next to sync with master in whats new and release notes 243

Author: jyaistMap

guide/02-api-overview/overview243.ipynb

@@ -58,7 +58,7 @@
    "metadata": {},
    "source": [
     "### New Data Model and Response Types for arcgis.graph\n",
-    "An extensive set of new [Data Model Types](/python/latest/api-reference/arcgis.graph.html#data-model-types) and [ResponseTypes](/python/latest/api-reference/arcgis.graph.html#response-types) were added to the 2.4.3 release for defining graph structure and output formats of the queried data."
+    "An extensive set of new [Data Model Types](/python/latest/api-reference/arcgis.graph.html#data-model-types) and [ResponseTypes](/python/latest/api-reference/arcgis.graph.html#response-types) were added to the 2.4.3 release for defining graph structure and output formats of the queried data. A new [export()](/python/latest/api-reference/arcgis.graph.html#arcgis.graph.KnowledgeGraph.export) was added for graph domains as well."
    ]
   },
   {

guide/02-api-overview/release_notes_243.ipynb

@@ -207,6 +207,9 @@
     "      * *hierarchy*     \n",
     "\n",
     "#### [`arcgis.graph`](/python/latest/api-reference/arcgis.graph.html)\n",
+    "* **New methods:**\n",
+    "  * [`KnowledgeGraph`](/python/latest/api-reference/arcgis.graph.html#arcgis.graph.KnowledgeGraph)\n",
+    "    * [`export()`](/python/latest/api-reference/arcgis.graph.html#arcgis.graph.KnowledgeGraph.export)  \n",
     "* **New Data Model Types:**\n",
     "    * *esriMergePolicyType*\n",
     "    * *esriSplitPolicyType*\n",