> For the complete documentation index, see [llms.txt](https://docs.yarnspinner.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yarnspinner.dev/3.1/api/csharp/yarn.compiler/yarn.compiler.compilationresult/yarn.compiler.compilationresult.diagnostics.md).

# Diagnostics

Property in [CompilationResult](/3.1/api/csharp/yarn.compiler/yarn.compiler.compilationresult.md)

## Summary

Gets the collection of [Diagnostic](/3.1/api/csharp/yarn.compiler/yarn.compiler.diagnostic.md) objects that describe problems in the source code.

```csharp
public IEnumerable<Diagnostic> Diagnostics { get; internal set; }
```

## Remarks

If the compiler encounters errors while compiling source code, the [CompilationResult](/3.1/api/csharp/yarn.compiler/yarn.compiler.compilationresult.md) it produces will have a [Program](/3.1/api/csharp/yarn.compiler/yarn.compiler.compilationresult/yarn.compiler.compilationresult.program.md) value of `null` . To help figure out what the error is, users should consult the contents of this property.