diff --git a/content/en/llm_observability/instrumentation/sdk.md b/content/en/llm_observability/instrumentation/sdk.md
index f9dba12984061..efac500c1245b 100644
--- a/content/en/llm_observability/instrumentation/sdk.md
+++ b/content/en/llm_observability/instrumentation/sdk.md
@@ -1245,11 +1245,15 @@ The `LLMObs.annotate()` method accepts the following arguments:
 
 `input_data`
 : optional - _JSON serializable type or list of dictionaries_
-<br />Either a JSON serializable type (for non-LLM spans) or a list of dictionaries with this format: `{"role": "...", "content": "..."}` (for LLM spans).  **Note**: Embedding spans are a special case and require a string or a dictionary (or a list of dictionaries) with this format: `{"text": "..."}`.
+<br />Either a JSON serializable type (for non-LLM spans) or a list of dictionaries with this format: `{"content": "...", "role": "...", "tool_calls": ..., "tool_results": ...}`, where `"tool_calls"` are an optional list of tool call dictionaries with required keys: `"name"`, `"arguments"`, and optional keys: `"tool_id"`, `"type"`, and `"tool_results"` are an optional list of tool result dictionaries with required key: `"result"`, and optional keys: `"name"`, `"tool_id"`, `"type"` for function calling scenarios. **Note**: Embedding spans are a special case and require a string or a dictionary (or a list of dictionaries) with this format: `{"text": "..."}`.
 
 `output_data`
 : optional - _JSON serializable type or list of dictionaries_
-<br />Either a JSON serializable type (for non-LLM spans) or a list of dictionaries with this format: `{"role": "...", "content": "..."}` (for LLM spans). **Note**: Retrieval spans are a special case and require a string or a dictionary (or a list of dictionaries) with this format: `{"text": "...", "name": "...", "score": float, "id": "..."}`.
+<br />Either a JSON serializable type (for non-LLM spans) or a list of dictionaries with this format: `{"content": "...", "role": "...", "tool_calls": ...}`, where `"tool_calls"` are an optional list of tool call dictionaries with required keys: `"name"`, `"arguments"`, and optional keys: `"tool_id"`, `"type"` for function calling scenarios. **Note**: Retrieval spans are a special case and require a string or a dictionary (or a list of dictionaries) with this format: `{"text": "...", "name": "...", "score": float, "id": "..."}`.
+
+`tool_definitions`
+: optional - _list of dictionaries_
+<br />List of tool definition dictionaries for function calling scenarios. Each tool definition should have a required `"name": "..."` key and optional `"description": "..."` and `"schema": {...}` keys.
 
 `metadata`
 : optional - _dictionary_