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<@U039K8MS5HV> the error is in the output, your config is reading:
```string applicationName = config.Require("RwbPulumiProject:ApplicationName");```
which means it needs to be set as:

```pulumi config set RwbPulumiProject:RwbPulumiProject:ApplicationName```
If you change your code to:

```string applicationName = config.Require("ApplicationName");```
it should work

regarding:
&gt; Is is possible to rename the class from MyStack? My* really makes my skin crawl.
Yes, of course it's possible. You'd just need to modify the async call

There's also an
```azure-native:location: uksouth```
but that appears to be impossible to read either with or without the prefix

It's better to set the config values with the `pulumi config set` terminal command versus writing them in the YAML file directly. it's of the form `pulumi config set &lt;key&gt; &lt;value&gt;` . So, for your example, you would run `pulumi config set azure-native:location uksouth` (as an example, <https://github.com/pulumi/examples/tree/258d3bad0a00020704743e37911c51be63c06bb4/azure-cs-synapse#running-the-app|here's how someone set up an Azure Native C# Pulumi program>)

but I can't read that value because it's not in the namespace of the project?

You can set it in the YAML file, but the command line call ensures that it's formatted as expected, which is why I recommend it.

In terms of not being able to read the value, how are you calling it?

<@U039K8MS5HV> you can read the provider config with this:
```string awsNative = config.Require("aws-native");```