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What's the best way to configure a StartFlowRun() task? I'm trying to kick off another flow from the "parent" flow. I'm on cloud, and running v0.15.

When I try the following, I get a response that no flow is found:
```StartFlowRun()(
            flow_name="subflow_name",
            project_name="my_project")```
(I tried the query in the cloud api UI, and it does return a flow id)

I assume the problem is that my flow is not authenticated to prefect cloud

We have lots of examples about that on Discourse <https://discourse.prefect.io/tag/flow-of-flows|here> and you could also try <https://github.com/anna-geller/orchestrator-pattern|this> simple code example

regarding the auth to Cloud - both your child and parent flows must be registered before you run a flow-of-flows - maybe that's the reason for your error?

They are both registered. Do I need to run `prefect auth login -k $PREFECT_API_TOKEN &amp;&amp; prefect backend cloud` first?

yes, this is required to communicate with the Cloud backend