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title, type, weight, description
| title | type | weight | description |
|---|---|---|---|
| Go | docs | 3 | How to add pre- and post- processing to your Agents using Go. |
Prerequisites
This tutorial assumes that you have set up Toolbox with a basic agent as described in the local quickstart.
This guide demonstrates how to implement these patterns in your Toolbox applications.
Implementation
{{< tabpane persist=header >}}
{{% tab header="ADK" text=true %}}
The following example demonstrates how to use the beforeToolCallback and afterToolCallback hooks in the ADK LlmAgent to implement pre and post processing logic.
{{< include "go/adk/agent.go" >}}
You can also add model-level (beforeModelCallback, afterModelCallback) and agent-level (beforeAgentCallback, afterAgentCallback) hooks to intercept messages at different stages of the execution loop.
For more information, see the ADK Callbacks documentation.{{% /tab %}} {{< /tabpane >}}
Results
The output should look similar to the following. Note that exact responses may vary due to the non-deterministic nature of LLMs and differences between orchestration frameworks.
AI: Booking Confirmed! You earned 500 Loyalty Points with this stay.
AI: Error: Maximum stay duration is 14 days.