diff --git a/generated_types.json b/generated_types.json
index 6ff0bdb9..d91bb194 100644
--- a/generated_types.json
+++ b/generated_types.json
@@ -4860,6 +4860,9 @@
           {
             "type": "object",
             "properties": {
+              "request_source": {
+                "type": "string"
+              },
               "input": {
                 "description": "Argument to the function, which can be any JSON serializable value"
               },
diff --git a/py/src/braintrust/_generated_types.py b/py/src/braintrust/_generated_types.py
index 7d145ec7..279c1baa 100644
--- a/py/src/braintrust/_generated_types.py
+++ b/py/src/braintrust/_generated_types.py
@@ -3749,6 +3749,7 @@ class FunctionIdFunctionId4(TypedDict):
 
 
 class InvokeFunctionInvokeFunction7(TypedDict):
+    request_source: NotRequired[str | None]
     input: NotRequired[Any | None]
     """
     Argument to the function, which can be any JSON serializable value
diff --git a/py/src/braintrust/generated_types.py b/py/src/braintrust/generated_types.py
index e883efce..86d997ba 100644
--- a/py/src/braintrust/generated_types.py
+++ b/py/src/braintrust/generated_types.py
@@ -1,4 +1,4 @@
-"""Auto-generated file (content hash 90bbc48d83b24276) -- do not modify"""
+"""Auto-generated file (content hash 46845c72831ec72f) -- do not modify"""
 
 from ._generated_types import (
     Acl,