# GrainProperties Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.metadata.grainproperties/)

## GrainProperties(ImmutableDictionary<string, string>) {#constructor-system-collections-immutable-immutabledictionary-string-string-e81ab511}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.metadata.grainproperties/constructors/constructor-system-collections-immutable-immutabledictionary-string-string-e81ab511/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/Manifest/GrainProperties.cs#L27-L33)

```csharp
public GrainProperties(ImmutableDictionary<string, string> values)
```

Initializes a new instance of the [GrainProperties](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.metadata.grainproperties/) class.

### Parameters

- `values` (`ImmutableDictionary<string, string>`): The underlying property collection.