Specifying dependencies in .NET

.NET Cloud Functions functions use Microsoft Build Engine (MSBuild) project files. These files are central to the build and deployment process. For C# the file extension is .csproj, for F# it is .fsproj, and for Visual Basic it is .vbproj.

For example, here is the .csproj file for the C# Hello World sample:

functions/helloworld/HelloWorld/HelloWorld.csproj

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<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net6.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Google.Cloud.Functions.Hosting" Version="2.1.0" />
  </ItemGroup>
</Project>

You can add libraries to your function's project file as follows:

dotnet add package MY_LIBRARY

For more discussion of dependencies and other types of customization, see Customization through Functions Startup classes.