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Use `Apply` . See <https://www.pulumi.com/docs/intro/concepts/programming-model/#apply>

```var url = virtualmachine.DnsName.Apply(dnsName =&gt; "https://" + dnsName);```

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Thank you for the response Justin, but doesn't the Apply method still returns an Output of something?

My use case is to generate a SAS token via `Pulumi.Azure.Storage.Invokes.GetAccountBlobContainerSAS`
for a storage account I'm creating but the GetAccountBlobContainerSASArgs has strings properties instead of Input<string> parameters

You'll need to call `GetAccountBlobContainerSAS` inside the `Apply` where the argument will be a string.

Great that you made it work. Note that we have `SharedAccessSignature.SignedBlobReadUrl(blob, storageAccount);` in the standard library.

Nice, will look into that one. BTW I love pulumi guys

<https://github.com/pulumi/pulumi-azure/blob/9b037bffe19efdb8d3da0f12a9dc374d2eb67689/sdk/dotnet/Storage/SharedAccessSignature.cs>

turned &gt;3k LOC of ARM template into ~500 lines of C#

Nice! Maybe you can pack it up even further :slightly_smiling_face:

I have one question, can I somehow import an existing resource group into a pulumi stack?

yes you can. do you want to just reference it to retrieve its property or do you want to start managing it from pulumi?

In any case take a look here <https://www.pulumi.com/blog/adopting-existing-cloud-resources-into-pulumi/>

My plan is to throw away the arm template and replace it with pulumi, the problem is that pulumi generates names that differ from the one I've generated already

<https://www.pulumi.com/docs/intro/concepts/programming-model/#names> and below

I know but for ~100 resources is a bit tedious to do

I was hoping to find something smarter though :slightly_smiling_face:

like importing the existing resources into a stack so pulumi can use the existing names instead of generating new ones but I have to admit I didn't read the docs on that part because I'm just focusing on creating the equivalent of the arm template now

So “adopting” above is the way to import resources, but you still have to write code for them manually and resolve IDs (not names). There’s no auto-import tool currently.