Add OCI Generative AI tool calling support

docs/docs/examples/llm/oci_genai.ipynb

@@ -1,14 +1,5 @@
 {
  "cells": [
-  {
-   "attachments": {},
-   "cell_type": "markdown",
-   "id": "6d1ca9ac",
-   "metadata": {},
-   "source": [
-    "<a href=\"https://colab.research.google.com/github/run-llama/llama_index/blob/main/docs/docs/examples/llm/bedrock.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
-   ]
-  },
   {
    "cell_type": "markdown",
    "id": "9e3a8796-edc8-43f2-94ad-fe4fb20d70ed",
@@ -360,6 +351,56 @@
     "resp = llm.chat(messages)\n",
     "print(resp)"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "acd73b3d",
+   "metadata": {},
+   "source": [
+    "## Basic tool calling in llamaindex \n",
+    "\n",
+    "Only Cohere supports tool calling for now"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5546c661",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from llama_index.llms.oci_genai import OCIGenAI\n",
+    "from llama_index.core.tools import FunctionTool\n",
+    "\n",
+    "llm = OCIGenAI(\n",
+    "    model=\"MY_MODEL\",\n",
+    "    service_endpoint=\"https://inference.generativeai.us-chicago-1.oci.oraclecloud.com\",\n",
+    "    compartment_id=\"MY_OCID\",\n",
+    ")\n",
+    "\n",
+    "\n",
+    "def multiply(a: int, b: int) -> int:\n",
+    "    \"\"\"Multiple two integers and returns the result integer\"\"\"\n",
+    "    return a * b\n",
+    "\n",
+    "\n",
+    "def add(a: int, b: int) -> int:\n",
+    "    \"\"\"Addition function on two integers.\"\"\"\n",
+    "    return a + b\n",
+    "\n",
+    "\n",
+    "add_tool = FunctionTool.from_defaults(fn=add)\n",
+    "multiply_tool = FunctionTool.from_defaults(fn=multiply)\n",
+    "\n",
+    "response = llm.chat_with_tools(\n",
+    "    tools=[add_tool, multiply_tool],\n",
+    "    user_msg=\"What is 3 * 12? Also, what is 11 + 49?\",\n",
+    ")\n",
+    "\n",
+    "print(response)\n",
+    "tool_calls = response.message.additional_kwargs.get(\"tool_calls\", [])\n",
+    "print(tool_calls)"
+   ]
   }
  ],
  "metadata": {