From bec542ad1cc8bf4fc7c0a1f0f16ad8d85f5f1c55 Mon Sep 17 00:00:00 2001
From: dsuresh-ap <dhananjay.suresh@uipath.com>
Date: Thu, 12 Feb 2026 16:02:13 -0500
Subject: [PATCH] fix: extract jsonBodySection from body_structure [PC-3936]

Pass jsonBodySection from agent config body_structure through to
ActivityMetadata so the SDK uses the correct multipart part name.
---
 .../agent/tools/integration_tool.py           |  5 ++-
 tests/agent/tools/test_integration_tool.py    | 41 +++++++++++++++++++
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/src/uipath_langchain/agent/tools/integration_tool.py b/src/uipath_langchain/agent/tools/integration_tool.py
index 5917c742..aec21723 100644
--- a/src/uipath_langchain/agent/tools/integration_tool.py
+++ b/src/uipath_langchain/agent/tools/integration_tool.py
@@ -119,18 +119,21 @@ def convert_to_activity_metadata(
 
     param_location_info.body_fields = list(body_fields_set)
 
-    # determine content type
+    # determine content type and json body section
     content_type = "application/json"
+    json_body_section = None
     if resource.properties.body_structure is not None:
         shorthand_type = resource.properties.body_structure.get("contentType", "json")
         if shorthand_type == "multipart":
             content_type = "multipart/form-data"
+        json_body_section = resource.properties.body_structure.get("jsonBodySection")
 
     return ActivityMetadata(
         object_path=resource.properties.tool_path,
         method_name=http_method,
         content_type=content_type,
         parameter_location_info=param_location_info,
+        json_body_section=json_body_section,
     )
 
 
diff --git a/tests/agent/tools/test_integration_tool.py b/tests/agent/tools/test_integration_tool.py
index bba279f4..04e33de0 100644
--- a/tests/agent/tools/test_integration_tool.py
+++ b/tests/agent/tools/test_integration_tool.py
@@ -184,6 +184,47 @@ def test_jsonpath_parameter_handling_multiple_nested_same_root(
         assert "metadata.field2" not in result.parameter_location_info.body_fields
         assert "metadata.nested.field" not in result.parameter_location_info.body_fields
 
+    def test_json_body_section_from_body_structure(self, resource_factory):
+        """Test that jsonBodySection is extracted from body_structure."""
+        param = AgentIntegrationToolParameter(
+            name="prompt", type="string", field_location="body"
+        )
+        resource = resource_factory(parameters=[param])
+        resource.properties.body_structure = {
+            "contentType": "multipart",
+            "jsonBodySection": "RagRequest",
+        }
+
+        result = convert_to_activity_metadata(resource)
+
+        assert result.content_type == "multipart/form-data"
+        assert result.json_body_section == "RagRequest"
+
+    def test_json_body_section_none_when_not_specified(self, resource_factory):
+        """Test that json_body_section is None when bodyStructure has no jsonBodySection."""
+        param = AgentIntegrationToolParameter(
+            name="prompt", type="string", field_location="body"
+        )
+        resource = resource_factory(parameters=[param])
+        resource.properties.body_structure = {"contentType": "multipart"}
+
+        result = convert_to_activity_metadata(resource)
+
+        assert result.content_type == "multipart/form-data"
+        assert result.json_body_section is None
+
+    def test_json_body_section_none_when_no_body_structure(self, resource_factory):
+        """Test that json_body_section is None when body_structure is None."""
+        param = AgentIntegrationToolParameter(
+            name="prompt", type="string", field_location="body"
+        )
+        resource = resource_factory(parameters=[param])
+
+        result = convert_to_activity_metadata(resource)
+
+        assert result.content_type == "application/json"
+        assert result.json_body_section is None
+
     def test_parameter_location_mapping_simple_fields(self, resource_factory):
         """Test parameter mapping for simple field names across different locations."""
         params = [