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typescript:

```const newOutput = theOutput.apply(theValue =&gt; {
 do whatever you want with value
})```

I saw that, thanks... i don't think it'll do what i need.

I want to return a list of uris for uploaded blobs in an Output i think that needs to be an Output&lt;ImmutableArray&lt;string&gt;&gt; NOT Output&lt;ImmutableArray&lt;Output&lt;string&gt;&gt;&gt;  so to do that i need to access the string behind Blob.SourceUri...

In general `.all` should let you turn an array of ourputs into an output of an array - which sounds like what you are looking for?

.All would let me apply something on all the elements yes, but if i have Output&lt;string&gt; how do i then turn that into just a string?

pulumi.all().apply() will give you the strings of those outputs as an array of just-strings. It might be easier to go into more detail if you could share a snip if your code, though, assuming you’ve tried that already.

I've achieved what i wanted to do by changing the types within my array from Output&lt;string&gt; to object? eg

public Output&lt;ImmutableArray&lt;object?&gt;&gt; UploadedUri { get; set; }

instead of

public Output&lt;ImmutableArray&lt;Output&lt;string&gt;&gt; UploadedUri { get; set; }

it seems to be the way as the examples return dicts of &lt;string, object?&gt; - it is quite messy.... but works i guess