Power Automate: Run a child flow by GUID

Question

I'm trying to call a child flow from a Power Automate flow by it's guid (by using an Expression in the Child Flow dropdown), instead of hardcoding the child flow selection.

However, whenever I try to save the parent flow, I get the following error:

Request to XRM API failed with error: 'Message: Flow client error returned with status code "BadRequest" and details "{"error":{"code":"ChildFlowIdNotValid","message":"The workflow id '[[expression]]' is not a valid child flow id. The id must be a valid GUID."}}". Code: 0x80060467

I tried various expression, even simple stuff like @guid() (which is definitely a valid guid), but to no avail.

It seems like the platform performs a "compile time" check on the value, which makes using any dynamic value impossible.

Any ideas?

question from:https://stackoverflow.com/questions/65858616/power-automate-run-a-child-flow-by-guid

Answer 1

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