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<@UBBFPGQNS> Yes - there are a variety of `.getXYZ` function available in the  libraries which can be used to lookup existing resources.  See for example <https://pulumi.io/reference/pkg/nodejs/@pulumi/aws/ecs/#getCluster>.  You can see an example of using this sort of API here: <https://github.com/pulumi/pulumi-aws-infra/blob/master/nodejs/aws-infra/network.ts#L94>.