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state machine.go

The following state machine definition fails with a schema validation error. The resource Arn provided is incorrect. I can see, that instead of the Arn, the resource element contains a memory address: `"Resource": "{0xc0001a6b60}"`. Looking at the example on <https://www.pulumi.com/registry/packages/aws-native/api-docs/stepfunctions/statemachine/> the DefinitionString should be a string as the name implies. I chose to define the state in a separate variable first, because hard coding the Arn like in the example isn't really feasible. How can I supply the correct Arn to the definition instead of the memory address?

I might add, that when I `ctx.Export("pingFunctionArn", pingFunction.Arn)` I get the correct Arn of the pingFunction ...

Just figured it out (by trial &amp; error :sweat_smile:). By replacing
```pingStateMachineDefinition := fmt.Sprintf```
with
```pingStateMachineDefinition := pulumi.Sprintf```
it works :ham-dance:

Read up on Pulumi Outputs, this is all about the output being effectively a promise (in JS terms)

However, this was more about using the correct type. I added the bit with the export only to show that I can retrieve the correct value.