# Session Service

The session service is what creates and handles the creation, retrieval, updating and clearing of the UmbCheckout Basket within the .NET session.

You can access the session service by injecting `ISessionService` which can be found within the namespace`UmbCheckout.Core.Interfaces`

#### Create

Gets the current UmbCheckout session from the .NET session

```csharp
Task<UmbCheckoutSession> Get();
```

#### Update

Updates the current UmbCheckout session or create a new session if not found

Parameters:

| Name   | Detail                                                  |
| ------ | ------------------------------------------------------- |
| basket | The [Basket](/core-services/object-reference/basket.md) |

```csharp
Task<UmbCheckoutSession> Update(Basket basket);
```

#### Clear

Clears the UmbCheckout session from the .NET session

```csharp
Task Clear();
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.umbcheckout.net/core-services/session-service.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.