# ActivitySources.AllActivitySourceName

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.diagnostics.activitysources/) | [Fields](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.diagnostics.activitysources/fields/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/Diagnostics/ActivitySources.cs)

```csharp
public const string AllActivitySourceName
```

A wildcard name to match all Orleans activity sources.