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ha fatto una domanda in #FlowHello, I have a very simple scheduled flow that only calls an invocable method. When I debug>Run it, it fails with a Callout exception ! (cf picture below)
But when I call (in anonymous action) directly the method called by the action, it works fine !
I have check several times but i think I respected the prerequisites
- I do no insert / no update / no upsert before the external call (just a custom setting query to get the information & parameter for my upcoming callout)
- then I do the external callout to retrieve data from an external system
- and then, in a future method, I parsed the http response, build the list of data to upsert, call the collection upsert action, and an action to update the custom setting timestamp value.
I have cleaned all paused/failed flows interviews by precaution.
Have you any ideas on what could generate this error ?
Thank you in advance for your help
BR
Eric
I have successfully reproduced your issue and identified its cause and solution. Please refer to the following article:
"A schedule-triggered flow can make callouts only after executing a Pause element. For example, without a Pause element, the flow can't access external objects, execute Apex actions that make callouts, or execute actions that are generated from External Services registrations."
https://help.salesforce.com/s/articleView?id=sf.flow_considerations_trigger_schedule.htm&type=5
The likely cause of the issue you are experiencing seems to be the absence of a Pause element when making callouts from a schedule-triggered flow. In fact, as demonstrated in the screenshot below, I was able to reproduce your problem, and it was resolved by adding a Pause element.
I hope this information is helpful to you.
