Is it possible to trigger a Prefect2 flow via the REST API w Prefect Community #ask-community

Is it possible to trigger a Prefect2 flow via the REST API with a later start time? This is possible via the UI for a custom run by specifying start time as later instead of now

✅ 1

Kevin Grismore

09/16/2024, 3:21 PM

you can. Taking a look at the Create Flow Run From Deployment docs, under

state

->`state_details` there's a

scheduled_time

you can include

Kevin Grismore

09/16/2024, 3:23 PM

here's an example request payload generated from the UI that you can model your requests after

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{
  "name": "psi67-chactun",
  "parameters": {
    "name": "hi"
  },
  "tags": [
    "main"
  ],
  "state": {
    "type": "SCHEDULED",
    "message": "",
    "state_details": {
      "scheduled_time": "2024-09-17T05:00:00.000Z",
      "cache_expiration": null
    }
  },
  "empirical_policy": {
    "retries": null,
    "retry_delay": null,
    "pause_keys": [],
    "resuming": false
  },
  "work_queue_name": "dev",
  "job_variables": {},
  "enforce_parameter_schema": false
}

Niall O'Riordan

09/17/2024, 9:45 AM

Thank you that is really helpful!

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