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hey all, in prefect 1, for a flow of flows, how do you cancel all flows at once? i am canceling the parent-most flow, and the child flows still remain live

+ is there a way to batch cancel flow run in the UI?

there is no concept of subflows or child flows in v1

you should consider upgrading to v2 where this is the default behavior

create_flow_run only starts other flow runs but those are entirely independent processes