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Thanks @worried-knife-31967 that's useful, I wonder if it should be Input<T> tho? I'm trying out now with Input<T> being passed in the constructor of my component resource and it appears to be working

if it's a hardcoded value, sure... it's a

resourceGroup.Name

as a reference to the original object, so that you get automatic dependency graph. I'm not sure if it converts automatically?

A snippet of what I mean:

public class NewApp : ComponentResource 
{
    public Input<string>? ResourceGroup;
    public Input<string> ResourceGroupName;
    public NewApp(string name, Input<string>? group, ComponentResourceOptions opts) : base("NewAppType", name, opts)
    {

        var azureConfig = new Pulumi.Config("azure");
        var location = azureConfig.Require("location");

        if(group != null) {
            ResourceGroupName = group;
        }
        else {
            var resourceGroup = new AzureNextGen.Resources.Latest.ResourceGroup("rg-test-dev3", new AzureNextGen.Resources.Latest.ResourceGroupArgs {
            Location = location,
            ResourceGroupName = "rg-test-dev3"
        });

            ResourceGroupName = resourceGroup.Name;
        }
...

I was also wondering on the best practices to pass resources around. I figured out that

Input<XxxResourceType>

actually works, i.e.

/// <summary>
    /// Resource group.
    /// </summary>
    [Input ("resourceGroup", required: true)]
    public ResourceGroup ResourceGroup { get; set; } = null!;

@little-vegetable-79574 That's pretty much what I've been using too 🙂