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Across stack boundaries, things get serialized to JSON, so there are not strong types available across the two - and you cannot in general return a fully-instantiaed resource object.

You'll likely want to export specific cloud resource ids and then on the other side call `Res.get(id)` to re-hydrate a resource from the cloud directly.

Hi <@UB3BGTV63>, what if my resource is from awsx and doesn’t have get(id) function. For example: there is _`aws.lb.getLoadBalancer()`_  method , but there is no _`awsx.lb.getLoadBalancer()`_ one. How do I go about it? Basically my `awsx.lb.ApplicationLoadBalancer`  and `awsx.ecs.Cluster` are defined in another stack and I need to reference them somehow in another one.

That is not currently possible.  You would need to identify which AWS resources in particular you need in the other stack, and export the `id`s of those.

I've opened <https://github.com/pulumi/pulumi/issues/4133> to track this, as its come up several times.  Feel free to upvote or leave additional notes.