Common Item Types: ProjectReference

Introduction#

A ProjectReference defines a reference to another project.

Parameters#

Parameter	Details
`Include` (attribute)	Path to project file
`Project` (metadata)	Project GUID, in the form {00000000-0000-0000-0000-000000000000}
`ReferenceOutputAssembly` (metadata)	Boolean specifying whether the outputs of the project referenced should be passed to the compiler. Default is true.
`SpecificVersion` (metadata)	Whether the exact version of the assembly should be used.
`Targets` (metadata)	Semicolon-separated list of targets in the referenced projects that should be built. Default is the value of `$(ProjectReferenceBuildTargets)` whose default is blank, indicating the default targets.
`OutputItemType` (metadata)	Item type to emit target outputs into. Default is blank. If `ReferenceOutputAssembly` is set to “true” (default) then target outputs will become references for the compiler.
`EmbedInteropTypes` (metadata)	Optional boolean. Whether the types in this reference need to embedded into the target assembly - interop asemblies only
## Remarks#
When the `OutputItemType` parameter is used, additional parameters (metadata) may be applicable. For example, when `OutputItemType` is set to `Content`, `CopyToOutputDirectory` can be used.

Parameter	Details
`CopyToOutputDirectory` (metadata)	Optional string. Determines whether to copy the file to the output directory. Values: `Never`, `Always`, `PreserveNewest`.
## Simple ProjectReference

  <ItemGroup>
    <ProjectReference Include="Foo.csproj">
      <Project>{01234567-0123-0123-0123-0123456789AB}</Project>
      <Name>Foo</Name>
    </ProjectReference>
  </ItemGroup>