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 # Field RUN\_DIR\_KEY

 Last update: 19.06.2026 

Namespace: [Phoenix.ComponentAPI](Phoenix.ComponentAPI.md)  
Assembly: Phoenix.ComponentAPI.dll

## RUN\_DIR\_KEY

The run directory for the harness.

```csharp
public const string RUN_DIR_KEY = "[phx:HarnessRunDirectory]"


```

### Field Value

[string](https://learn.microsoft.com/dotnet/api/system.string)