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+
+# Migrating from Custom Functions to Tools
+
+This document provides a comprehensive guide for migrating from the deprecated `Custom Functions` feature to the more powerful and flexible `Tools` feature. This migration is crucial for ensuring the continued functionality and future-proofing of your applications.
+
+## Why Migrate to Tools?
+
+`Custom Functions` are now deprecated in favor of `Tools`. `Tools` offer several advantages:
+
+*   **Enhanced Flexibility:** Tools provide a more structured and versatile way to integrate external functionalities.
+*   **Improved Maintainability:** The `Tools` architecture promotes better code organization and easier maintenance.
+*   **Future-Proofing:**  `Tools` are the recommended and actively developed approach for extending the capabilities of the platform.
+*   **Better Integration:** Tools are designed to integrate seamlessly with the platform's features, offering a more cohesive development experience.
+
+## Migration Path
+
+The migration process involves the following steps:
+
+1.  **Understanding the Differences:** Familiarize yourself with the key differences between `Custom Functions` and `Tools`.
+2.  **Identifying Custom Function Usage:** Locate all instances where `Custom Functions` are used in your application.
+3.  **Reimplementing as Tools:**  Rewrite your `Custom Functions` as `Tools`, leveraging the new architecture and capabilities.
+4.  **Testing and Validation:** Thoroughly test the migrated code to ensure functionality and compatibility.
+5.  **Deployment:** Deploy the updated application with the `Tools` implementation.
+
+## Step-by-Step Instructions
+
+### 1. Understanding the Differences
+
+| Feature          | Custom Functions                               | Tools                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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