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CallbackContext

adk_rust

Trait CallbackContext 

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

    // Provided method
    fn tool_outcome(&self) -> Option<ToolOutcome> { ... }
}
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§

Source

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

Provided Methods§

Source

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.

Implementors§