diff --git a/README.md b/README.md
index c0e6809..cf440d4 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ let req = ChatCompletionRequest::new(
         role: chat_completion::MessageRole::user,
         content: chat_completion::Content::Text(String::from("What is bitcoin?")),
         name: None,
+        tool_calls: None,
     }],
 );
 ```
diff --git a/examples/chat_completion.rs b/examples/chat_completion.rs
index d53134f..6ef5035 100644
--- a/examples/chat_completion.rs
+++ b/examples/chat_completion.rs
@@ -13,6 +13,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             role: chat_completion::MessageRole::user,
             content: chat_completion::Content::Text(String::from("What is bitcoin?")),
             name: None,
+            tool_calls: None,
         }],
     );
 
diff --git a/examples/function_call.rs b/examples/function_call.rs
index 27c6375..d2ce8cb 100644
--- a/examples/function_call.rs
+++ b/examples/function_call.rs
@@ -34,6 +34,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             role: chat_completion::MessageRole::user,
             content: chat_completion::Content::Text(String::from("What is the price of Ethereum?")),
             name: None,
+            tool_calls: None,
         }],
     )
     .tools(vec![chat_completion::Tool {
diff --git a/examples/function_call_role.rs b/examples/function_call_role.rs
index dcdf7ad..a6bf064 100644
--- a/examples/function_call_role.rs
+++ b/examples/function_call_role.rs
@@ -34,6 +34,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
             role: chat_completion::MessageRole::user,
             content: chat_completion::Content::Text(String::from("What is the price of Ethereum?")),
             name: None,
+            tool_calls: None,
         }],
     )
     .tools(vec![chat_completion::Tool {
diff --git a/examples/vision.rs b/examples/vision.rs
index b62a653..056feef 100644
--- a/examples/vision.rs
+++ b/examples/vision.rs
@@ -28,6 +28,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
                 },
             ]),
             name: None,
+            tool_calls: None,
         }],
     );
 
diff --git a/src/v1/chat_completion.rs b/src/v1/chat_completion.rs
index b9353b6..1536f9d 100644
--- a/src/v1/chat_completion.rs
+++ b/src/v1/chat_completion.rs
@@ -156,6 +156,8 @@ pub struct ChatCompletionMessage {
     pub content: Content,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub name: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub tool_calls: Option<Vec<ToolCall>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]