Trait CallbackContext

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pub trait CallbackContext: ReadonlyContext {
    // Required method
    fn artifacts(&self) -> Option<Arc<dyn Artifacts>>;

    // Provided methods
    fn tool_outcome(&self) -> Option<ToolOutcome> { ... }
    fn tool_name(&self) -> Option<&str> { ... }
    fn tool_input(&self) -> Option<&Value> { ... }
    fn shared_state(&self) -> Option<Arc<SharedState>> { ... }
}

Expand description

Core traits and types.

Always available regardless of feature flags. Includes:

Agent - The fundamental trait for all agents
Tool / Toolset - For extending agents with capabilities
Session / State - For managing conversation context
Event - For streaming agent responses
AdkError / Result - Unified error handling

Required Methods§

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fn artifacts(&self) -> Option<Arc<dyn Artifacts>>

Provided Methods§

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fn tool_outcome(&self) -> Option<ToolOutcome>

Returns structured metadata about the most recent tool execution. Available in after-tool callbacks and plugin hooks. Returns None when not in a tool execution context.

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