langchain.js
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    Stream event with events occurring during execution.

    type EventsStreamEvent = {
        data: {
            data: unknown;
            event:
                | `on_${| "chat_model"
                | "llm"
                | "chain"
                | "tool"
                | "retriever"
                | "prompt"}_${"start"
                | "stream"
                | "end"}`
                | string & {};
            metadata: Record<string, unknown>;
            name: string;
            parent_ids: string[];
            run_id: string;
            tags: string[];
        };
        event: "events";
        id?: string;
    }
    Index

    Properties

    Properties

    data: {
        data: unknown;
        event:
            | `on_${| "chat_model"
            | "llm"
            | "chain"
            | "tool"
            | "retriever"
            | "prompt"}_${"start"
            | "stream"
            | "end"}`
            | string & {};
        metadata: Record<string, unknown>;
        name: string;
        parent_ids: string[];
        run_id: string;
        tags: string[];
    }
    event: "events"
    id?: string