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Does Prefect 2 have something analogous to `wait_for_flow_run` from Prefect 1? I'd like to have a flow of flows which stops in a Failed state if one of its subflows fails, but I'm not sure how best to implement this in Prefect 2.

<https://discourse.prefect.io/t/migrating-to-prefect-2-0-from-flow-of-flows-to-subflows/1318|https://discourse.prefect.io/t/migrating-to-prefect-2-0-from-flow-of-flows-to-subflows/1318>

Thanks for the direction! My flow-of-flows still 'succeeds' even when one of its subflows fails. Right now I'm manually checking my subflow for Failed status and raising an error if I see it, I was just curious if there was a built-in way to do that.

You can just access the result of the subflow i.e. `state.result()` which will raise an exception if it’s failed