Tool
@Target(allowedTargets = [AnnotationTarget.FUNCTION])
@Retention(value = AnnotationRetention.RUNTIME)
public annotation Tool
Annotates a function to register it as a Tool that can be called by the generative model.
@Target(allowedTargets = [AnnotationTarget.FUNCTION])
@Retention(value = AnnotationRetention.RUNTIME)
public annotation Tool
Annotates a function to register it as a Tool that can be called by the generative model.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-07-15 UTC.