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you can always pulumi.output(myinput).apply(yaml =&gt; {}) though

not recommended to create resources inside apply, because unable to see them during preview, they're not part of the dependency graph

if it's not by design works this way, then should be fixed

I think the reason it does not currently accept Input is actually the same one you point out - it can’t know what actual resources to create until the yaml is available - and if it accepted input it would have to do the same “create resources inside apply” in its implementation. 