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Dec 2, 2020
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note about fsi extensions #21792

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5 changes: 5 additions & 0 deletions docs/fsharp/tools/fsharp-interactive/index.md
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Expand Up @@ -84,6 +84,9 @@ F# scripting is natively supported in [Visual Studio](../../get-started/get-star

## Referencing packages in F# Interactive

> [!NOTE]
> Package management system is extensible, read more [about other extensions](https://github.com/dotnet/fsharp/tree/main/src/fsharp/Microsoft.DotNet.DependencyManager).

F# Interactive supports referencing NuGet packages with the `#r "nuget:"` syntax and an optional version:

```fsharp
Expand Down Expand Up @@ -128,6 +131,8 @@ You can specify as many package references as you like in a script.
> [!NOTE]
> There's currently a limitation for scripts that use framework references (e.g.`Microsoft.NET.Sdk.Web` or `Microsoft.NET.Sdk.WindowsDesktop`). Packages like Saturn, Giraffe, WinForms are not available. This is being tracked in issue [#9417](https://github.com/dotnet/fsharp/issues/9417).

Read more about [package management extensibility and other extensions](https://github.com/dotnet/fsharp/tree/main/src/fsharp/Microsoft.DotNet.DependencyManager).

## Referencing assemblies on disk with F# interactive

Alternatively, if you have an assembly on disk and wish to reference that in a script, you can use the `#r` syntax to specify an assembly. Consider the following code in a project compiled into `MyAssembly.dll`:
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