❔ 'Observable' does not contain a definition for 'Create'

I've been trying to get my head around IObservable<T> and seen several tutorials use Observable.Create<T>(o => //composition)
However as the title suggests Observable.Create doesn't exist in context?
As far as I know everything I need is installed?

Project 'BlazorWasm' has the following package references
[net7.0]:
Top-level Package Requested Resolved
Microsoft.AspNetCore.Components.WebAssembly 7.0.1 7.0.1
Microsoft.AspNetCore.Components.WebAssembly.DevServer 7.0.1 7.0.1
ReactiveUI.Blazor 18.4.1 18.4.1
System.Reactive 5.0.0 5.0.0

Any advice greatly appreciated 🙂
image.png
Was this page helpful?