updating samples

Author: fosteramanda

scenarios/Agents/samples/Python/project-sdk/README.md

@@ -14,3 +14,11 @@ The Code Interpreter tool allows the Agent to write and execute Python code in a
 File Search augments the Agent with knowledge from outside its model, such as proprietary product information or documents provided by your users.
 
 To access your files, the file search tool uses the vector store object. Upload your files and create a vector store to contain them. Once the vector store is created, you should poll its status until all files are out of the in_progress state to ensure that all content has finished processing. The SDK provides helpers for uploading and polling.
+
+
+### Function Calling 
+* [Python - function calling](./python-function-calling.py)
+* [Python - function calling with automatic tool calling](./python-function-calling-toolset.py)
+* [Python - function calling with streaming](./python-function-calling-streaming.py)
+
+To use function calling, you need a function defined that can be called by the AI Agent service. You can find an example in the [user_functions.py](./user_functions.py) file in this folder.