From 6dfc33712668b5fbdf89d0bdc8764509fd4359b4 Mon Sep 17 00:00:00 2001
From: Rishi Pradeepkumar <rishi.pradeepkumar@think41.com>
Date: Wed, 8 Apr 2026 17:02:34 +0530
Subject: [PATCH] Fix Go multi-tool tutorial snippet to include two tools

---
 .../get-started/multi_tool_agent/main.go      | 72 +++++++++++++++++--
 1 file changed, 67 insertions(+), 5 deletions(-)

diff --git a/examples/go/snippets/get-started/multi_tool_agent/main.go b/examples/go/snippets/get-started/multi_tool_agent/main.go
index 516aaa9f7..e237d98ca 100644
--- a/examples/go/snippets/get-started/multi_tool_agent/main.go
+++ b/examples/go/snippets/get-started/multi_tool_agent/main.go
@@ -19,6 +19,8 @@ import (
 	"context"
 	"log"
 	"os"
+	"strings"
+	"time"
 
 	"google.golang.org/genai"
 
@@ -28,9 +30,13 @@ import (
 	"google.golang.org/adk/cmd/launcher/full"
 	"google.golang.org/adk/model/gemini"
 	"google.golang.org/adk/tool"
-	"google.golang.org/adk/tool/geminitool"
+	"google.golang.org/adk/tool/functiontool"
 )
 
+type CityArgs struct {
+	City string `json:"city"`
+}
+
 func main() {
 	ctx := context.Background()
 
@@ -43,14 +49,70 @@ func main() {
 		log.Fatalf("Failed to create model: %v", err)
 	}
 
+	weatherTool, err := functiontool.New[CityArgs, map[string]any](
+		functiontool.Config{
+			Name:        "get_weather",
+			Description: "Retrieves the current weather report for a specified city.",
+		},
+		func(ctx tool.Context, args CityArgs) (map[string]any, error) {
+			if strings.EqualFold(args.City, "new york") {
+				return map[string]any{
+					"status": "success",
+					"report": "The weather in New York is sunny with a temperature of 25 degrees Celsius (77 degrees Fahrenheit).",
+				}, nil
+			}
+			return map[string]any{
+				"status":        "error",
+				"error_message": "Weather information for '" + args.City + "' is not available.",
+			}, nil
+		},
+	)
+	if err != nil {
+		log.Fatalf("Failed to create get_weather tool: %v", err)
+	}
+
+	currentTimeTool, err := functiontool.New[CityArgs, map[string]any](
+		functiontool.Config{
+			Name:        "get_current_time",
+			Description: "Returns the current time in a specified city.",
+		},
+		func(ctx tool.Context, args CityArgs) (map[string]any, error) {
+			var tzIdentifier string
+			if strings.EqualFold(args.City, "new york") {
+				tzIdentifier = "America/New_York"
+			} else {
+				return map[string]any{
+					"status":        "error",
+					"error_message": "Sorry, I don't have timezone information for " + args.City + ".",
+				}, nil
+			}
+
+			tz, err := time.LoadLocation(tzIdentifier)
+			if err != nil {
+				return nil, err
+			}
+
+			now := time.Now().In(tz)
+			report := "The current time in " + args.City + " is " + now.Format("2006-01-02 15:04:05 MST-0700")
+			return map[string]any{
+				"status": "success",
+				"report": report,
+			}, nil
+		},
+	)
+	if err != nil {
+		log.Fatalf("Failed to create get_current_time tool: %v", err)
+	}
+
 	// 2. Define the agent.
 	a, err := llmagent.New(llmagent.Config{
-		Name:        "multi_tool_agent",
+		Name:        "weather_time_agent",
 		Model:       model,
-		Description: "An agent that can answer questions using Google Search.",
-		Instruction: "You are a helpful assistant. Use the available tools to answer questions.",
+		Description: "Agent to answer questions about the time and weather in a city.",
+		Instruction: "You are a helpful agent who can answer user questions about the time and weather in a city.",
 		Tools: []tool.Tool{
-			geminitool.GoogleSearch{},
+			weatherTool,
+			currentTimeTool,
 		},
 	})
 	if err != nil {