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# typescript
s
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l
No, that's normal. Note that outputs are unwrapped automatically for you when used as inputs. So while you can't get at 
redis.cacheNodes[0]
in your code (for example, you can't loop through it because the array is inside the Output), you can pass 
redis.cacheNodes[0]
as a parameter to another Pulumi constructor. In JS/TS, Pulumi has some clever way of promoting the 
[0]
to inside the output. It's magic.
In your example in the GitHub issue, I think you're comparing Instance.endpoint (type: Output<string>) with Cluster.cacheNodes (type: Output<ClusterCacheNode[]>). The important difference is that in cacheNodes, the type that the Output wraps is an array.
You have this as your problem example:
Copy code
this.RedisSetupOutput = {
      redishost : redis.cacheNodes[0].apply(a=>a.address),
      redis: redis
    }
This is needed because the code isn't somewhere that Pulumi unwraps inputs for you. If you were passing the address to a Pulumi constructor, you could do this:
Copy code
new aws.xyz.SomePulumiClass(name, {
  address: redis.cacheNodes[0].address
});
In this context, Pulumi is able to sort it all out for you.
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w
Thanks for explaining this!
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