Hi everyone - I'm currently evaluating using Prefe...
# ask-communityk
Kenneth Miller
05/08/2021, 5:49 PMHi everyone - I'm currently evaluating using Prefect/Dask for our ETL engine, running through our various use-cases - reading through the open-source docs I'm wondering if there is a simple way to trigger execution of a task from the outside, say, from an AWS lambda function written in Javascript...any ideas?
Kenneth Miller
05/08/2021, 5:49 PMAlso, wondering how much latency would be involved...
k
Kevin Kho
05/08/2021, 5:49 PM
Hi @Kenneth Miller ! Yes you can trigger Prefect Flows using the GraphQL API
Kevin Kho
05/08/2021, 5:50 PM
I can’t speak on exact latency but it’s pretty lightweight. It’s just a matter of hitting the end point.
k
Kenneth Miller
05/08/2021, 5:57 PMOh, nice...I see
Kenneth Miller
05/08/2021, 5:57 PM Copy code
mutation {
create_flow_run(input: {
flow_id: "<flow id>",
parameters: "{\"a\":2}"
}) {
id
}
}k
Kevin Kho
05/08/2021, 5:57 PM
Yes exactly
k
Kenneth Miller
05/08/2021, 5:58 PMLooks like there is idempotency support too - awesome.
Kenneth Miller
05/08/2021, 5:59 PMThanks so much for your quick response @Kevin Kho - big help! Have a nice weekend!
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