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`pulumi.Input&lt;string&gt;` is usually best, but you can also pass the full `aws.s3.Bucket` object.

Can you share your code with how you're trying to use the bucket name?

something like
```const cdn = new CDN('website-cdn', {
  bucket: myBucket,
}, { provider })```
where `myBucket` is an `aws.s3.Bucket`
but I also tried directly `myBucket.bucket`
with
```export interface CdnArgs {
  // choose your poison
  bucket: string | aws.s3.Bucket | pulumi.Input&lt;string | aws.s3.Bucket&gt;;
}

export class CDN extends pulumi.ComponentResource {
  constructor (
    name: string,
    args: CdnArgs,
    opts?: pulumi.ComponentResourceOptions,
  ) {
    super(`${pulumi.getProject()}:CDN`, name, {}, opts)

  // use it here

  }
}```

index.ts

<@UDEJ1F5SQ> thanks, but nope, already tried that (was actually my first try).

I should mention I don’t use the value directly, I use it in a template literal

It does. In that case, you do need to use `.apply()` or `.interpolate` to use the value.

e.g.
```content: pulumi.interpolate`My bucket is named ${args.bucketName}`,```

Can you provide your full code? :slightly_smiling_face:

Ok I found out what’s wrong trying to make an mve. The problem was not in the args, but in the name of the component (the error was giving no clue though), because in my final code I do a template literal for the name with another output (which I dropped for the examples I gave you…)

looks like that’s not a good idea to do so

can’t really figure out how to get this output working, so i’ll use a static string as a name for now

Thanks <@UDEJ1F5SQ> for your quick help, sorry I didn’t understand where the error was coming from, that was misleading. Should always go back to an mve an start from there before searching for help.

<@UDEJ1F5SQ> another difference is that in your example you where passing directly the bucketName value, while I would like to pass the whole bucket object (to access several properties), and in that case I don’t really get how to do it.
with an arg like `bucket: pulumi.Input&lt;aws.s3.Bucket&gt;;`

`const bucketName = bucket.bucket` does not work, and `const bucketName = pulumi.output(args.bucket).apply(b =&gt; b.bucket)` does not work either.

Ah, sorry. I did miss that in the code you initially provided. Resource and component names must be "hard coded" strings, not interpolated from resource outputs.

You can pass the `aws.s3.Bucket` object in without the Input wrapper.

Passing `aws.s3.Bucket` as the argument...

ok, that works. I was over-thinking this one :sweat_smile:
Thanks again for your help <@UDEJ1F5SQ> ! :pray: