# StringKeyStoreCollection.ContainsKey

Kind: Method  
Namespace: `Sisk.Core.Entity`  
Assembly: `Sisk.Core.dll`  
Source: https://docs.sisk-framework.org/api/Sisk.Core.Entity.StringKeyStoreCollection.ContainsKey.html

## ContainsKey(string) {#Sisk_Core_Entity_StringKeyStoreCollection_ContainsKey_System_String_}

Determines whether the [StringKeyStoreCollection](https://docs.sisk-framework.org/api/Sisk.Core.Entity.StringKeyStoreCollection.md) contains a specific key.

```csharp
public bool ContainsKey(string key)
```

### Parameters

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

The key to locate in the [StringKeyStoreCollection](https://docs.sisk-framework.org/api/Sisk.Core.Entity.StringKeyStoreCollection.md).

### Returns

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

[`true`](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool) if the [StringKeyStoreCollection](https://docs.sisk-framework.org/api/Sisk.Core.Entity.StringKeyStoreCollection.md) contains an element with the specified key; otherwise, [`false`](https://learn.microsoft.com/dotnet/csharp/language-reference/builtin-types/bool).