Schedule Workflow instances directly from your Workflow binding

You can now attach cron schedules directly to a Workflow binding in wrangler.jsonc. Each scheduled run creates a new Workflow instance automatically, so you do not need to define a separate Worker with a scheduled handler just to trigger your Workflow on an interval.

For example, you can configure hourly, every-15-minute, or weekday schedules on the same Workflow:

{ "workflows": [ { "name": "my-scheduled-workflow", "binding": "MY_WORKFLOW", "class_name": "MyScheduledWorkflow", "schedules": ["0 * * * *", "*/15 * * * *", "0 9 * * MON-FRI"], }, ], }

Cron workloads get all the same benefits of Workflows with built-in retries, multi-step durable execution, and configurable timeouts of Workflows.

import { WorkflowEntrypoint, WorkflowEvent, WorkflowStep, } from "cloudflare:workers"; // Runs automatically on each cron schedule defined for the MY_WORKFLOW binding in wrangler.jsonc. export class MyScheduledWorkflow extends WorkflowEntrypoint<Env> { async run(event: WorkflowEvent, step: WorkflowStep) { const data = await step.do("fetch source data", async () => { return await fetchSourceData(); }); // If this step fails, only this step is retried with the custom logic below await step.do( "process and store results", { retries: { limit: 5, delay: "30 seconds", backoff: "exponential" }, timeout: "10 minutes", }, async () => { await processAndStore(data); }, ); } }

This makes it easier to build recurring, scheduled jobs such as database backups, invoice generation, report aggregation, and cleanup tasks without wiring up a separate Cron Trigger entrypoint.

For more information, refer to Trigger Workflows.