ADK for TypeScript: API Reference
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    Interface InvocationContextParams

    The parameters for creating an invocation context.

    interface InvocationContextParams {
        a2aMetadata?: Record<string, unknown>;
        abortSignal?: AbortSignal;
        activeStreamingTools?: Record<string, ActiveStreamingTool>;
        agent?: BaseAgent<BaseAgentConfig>;
        artifactService?: SessionArtifactService;
        branch?: string;
        credentialService?: BaseCredentialService;
        endInvocation?: boolean;
        invocationId: string;
        isolationScope?: string;
        liveRequestQueue?: LiveRequestQueue;
        liveSessionResumptionHandle?: string;
        memoryService?: BaseMemoryService;
        nodeToolDepth?: number;
        pluginManager: PluginManager;
        runConfig?: RunConfig;
        session: Session;
        sessionService?: BaseSessionService;
        transcriptionCache?: TranscriptionEntry[];
        userContent?: Content;
        workflowInstructionScope?: WorkflowInstructionScope;
    }

    Properties

    a2aMetadata?: Record<string, unknown>

    Request-level metadata passed from an incoming A2A request or caller.

    abortSignal?: AbortSignal
    activeStreamingTools?: Record<string, ActiveStreamingTool>
    agent?: BaseAgent<BaseAgentConfig>
    artifactService?: SessionArtifactService
    branch?: string
    credentialService?: BaseCredentialService
    endInvocation?: boolean
    invocationId: string
    isolationScope?: string
    liveRequestQueue?: LiveRequestQueue
    liveSessionResumptionHandle?: string
    memoryService?: BaseMemoryService
    nodeToolDepth?: number

    Nesting depth of node-as-tool executions; used to bound recursion.

    pluginManager: PluginManager
    runConfig?: RunConfig
    session: Session
    sessionService?: BaseSessionService
    transcriptionCache?: TranscriptionEntry[]
    userContent?: Content
    workflowInstructionScope?: WorkflowInstructionScope
    Properties