diff --git a/neo/assistant/api.go b/neo/assistant/api.go
index 2e183f44..660b848a 100644
--- a/neo/assistant/api.go
+++ b/neo/assistant/api.go
@@ -131,7 +131,7 @@ func (ast *Assistant) execute(c *gin.Context, ctx chatctx.Context, input []chatM
 }
 
 // Execute the next action
-func (next *NextAction) Execute(c *gin.Context, ctx chatctx.Context, contents *chatMessage.Contents) error {
+func (next *NextAction) Execute(c *gin.Context, ctx chatctx.Context, contents *chatMessage.Contents, callback ...interface{}) error {
 	switch next.Action {
 
 	// It's not used, because the process could be executed in the hook script
@@ -256,7 +256,7 @@ func (next *NextAction) Execute(c *gin.Context, ctx chatctx.Context, contents *c
 
 		// Update the context id
 		ctx.AssistantID = assistant.ID
-		return assistant.execute(c, ctx, messages, options, newContents)
+		return assistant.execute(c, ctx, messages, options, newContents, callback...)
 
 	case "exit":
 		return nil
@@ -534,7 +534,8 @@ func (ast *Assistant) streamChat(
 
 				// Some error occurred in the hook, return the error
 				if hookErr != nil {
-					chatMessage.New().Error(hookErr.Error()).Done().Write(c.Writer)
+					chatMessage.New().Error(hookErr.Error()).Done().Callback(cb).Write(c.Writer)
+
 					done <- true
 					return 0 // break
 				}
@@ -544,9 +545,9 @@ func (ast *Assistant) streamChat(
 
 				// If the hook is successful, execute the next action
 				if res != nil && res.Next != nil {
-					err := res.Next.Execute(c, ctx, contents)
+					err := res.Next.Execute(c, ctx, contents, cb)
 					if err != nil {
-						chatMessage.New().Error(err.Error()).Done().Write(c.Writer)
+						chatMessage.New().Error(err.Error()).Done().Callback(cb).Write(c.Writer)
 					}
 					done <- true
 					return 0 // break
@@ -559,6 +560,12 @@ func (ast *Assistant) streamChat(
 					output.Retry = ctx.Retry
 					output.Silent = ctx.Silent
 				}
+
+				// has result
+				if res != nil && res.Result != nil && cb != nil {
+					output.Result = res.Result // Add the result to the output  message
+				}
+
 				output.Callback(cb).Write(c.Writer)
 				done <- true
 				return 0 // break
diff --git a/neo/assistant/hooks.go b/neo/assistant/hooks.go
index 05812e4b..e099ee10 100644
--- a/neo/assistant/hooks.go
+++ b/neo/assistant/hooks.go
@@ -217,6 +217,11 @@ func (ast *Assistant) HookDone(c *gin.Context, context chatctx.Context, input []
 			response.Output = vv
 		}
 
+		// has result
+		if res, has := v["result"]; has {
+			response.Result = res
+		}
+
 		if res, ok := v["next"].(map[string]interface{}); ok {
 			response.Next = &NextAction{}
 			if name, ok := res["action"].(string); ok {
diff --git a/neo/assistant/types.go b/neo/assistant/types.go
index 394b21f2..b7d8d211 100644
--- a/neo/assistant/types.go
+++ b/neo/assistant/types.go
@@ -58,6 +58,7 @@ type ResHookDone struct {
 	Next   *NextAction       `json:"next,omitempty"`
 	Input  []message.Message `json:"input,omitempty"`
 	Output []message.Data    `json:"output,omitempty"`
+	Result any               `json:"result,omitempty"`
 }
 
 // ResHookFail the response of the fail hook
diff --git a/neo/message/message.go b/neo/message/message.go
index 92c7df2c..b57147a2 100644
--- a/neo/message/message.go
+++ b/neo/message/message.go
@@ -43,6 +43,7 @@ type Message struct {
 	IsTool          bool                   `json:"-"`                          // is tool for the message for native tool_calls
 	IsBeginTool     bool                   `json:"-"`                          // is new tool for the message for native tool_calls
 	IsEndTool       bool                   `json:"-"`                          // is end tool for the message for native tool_calls
+	Result          any                    `json:"result,omitempty"`           // result for the message
 }
 
 // Mention represents a mention