resumeHook

Resume a paused workflow by sending a payload to a hook token.

Resumes a workflow run by sending a payload to a hook identified by its token.

It creates a hook_received event and re-triggers the workflow to continue execution.

resumeHook is a runtime function that must be called from outside a workflow function.

import { resumeHook } from "workflow/api";

export async function POST(request: Request) {
  const { token, data } = await request.json();

  try {
    const result = await resumeHook(token, data); 
    return Response.json({
      runId: result.runId
    });
  } catch (error) {
    return new Response("Hook not found", { status: 404 });
  }
}

Parameters

Name	Type	Description
`tokenOrHook`	string \| Hook	The unique token identifying the hook, or the hook object itself
`payload`	NonNullable<T>	The data payload to send to the hook
`encryptionKeyOverride`	CryptoKey

Returns

Returns a Promise<Hook> that resolves to:

Name	Type	Description
`runId`	string	The unique identifier of the workflow run this hook belongs to.
`hookId`	string	The unique identifier of this hook within the workflow run.
`token`	string	The secret token used to reference this hook.
`ownerId`	string	The owner ID (team or user) that owns this hook.
`projectId`	string	The project ID this hook belongs to.
`environment`	string	The environment (e.g., "production", "preview", "development") where this hook was created.
`createdAt`	Date	The timestamp when this hook was created.
`metadata`	unknown	Optional metadata associated with the hook, set when the hook was created.
`specVersion`	number	The spec version when this hook was created.
`isWebhook`	boolean	Whether this hook is resumable via the public webhook endpoint. undefined = legacy (treated as true for backwards compat).
`isSystem`	boolean	Whether this hook is a system-managed hook (e.g., for abort signals).

Basic API Route

Using resumeHook in a basic API route to resume a hook:

import { resumeHook } from "workflow/api";

export async function POST(request: Request) {
  const { token, data } = await request.json();

  try {
    const result = await resumeHook(token, data); 

    return Response.json({
      success: true,
      runId: result.runId
    });
  } catch (error) {
    return new Response("Hook not found", { status: 404 });
  }
}

With Type Safety

Defining a payload type and using resumeHook to resume a hook with type safety:

import { resumeHook } from "workflow/api";

type ApprovalPayload = {
  approved: boolean;
  comment: string;
};

export async function POST(request: Request) {
  const { token, approved, comment } = await request.json();

  try {
    const result = await resumeHook<ApprovalPayload>(token, { 
      approved, 
      comment, 
    }); 

    return Response.json({ runId: result.runId });
  } catch (error) {
    return Response.json({ error: "Invalid token" }, { status: 404 });
  }
}

Server Action (Next.js)

Using resumeHook in Next.js server actions to resume a hook:

"use server";

import { resumeHook } from "workflow/api";

export async function approveRequest(token: string, approved: boolean) {
  try {
    const result = await resumeHook(token, { approved });
    return result.runId;
  } catch (error) {
    throw new Error("Invalid approval token");
  }
}

Webhook Handler

Using resumeHook in a generic webhook handler to resume a hook:

import { resumeHook } from "workflow/api";

// Generic webhook handler that forwards data to a hook
export async function POST(request: Request) {
  const url = new URL(request.url);
  const token = url.searchParams.get("token");

  if (!token) {
    return Response.json({ error: "Missing token" }, { status: 400 });
  }

  try {
    const body = await request.json();
    const result = await resumeHook(token, body);

    return Response.json({ success: true, runId: result.runId });
  } catch (error) {
    return Response.json({ error: "Hook not found" }, { status: 404 });
  }
}

getHookByToken() - Get hook details before resuming.
createHook() - Create a hook in a workflow.
defineHook() - Type-safe hook helper.

推荐订阅源

Workflow SDK Documentation