# Use

Switch to a specific namespace and database.

Switch to a specific namespace and database.

```csharp title="Method Syntax"
await db.Use(ns, db)
```

## Arguments

<table>
    <thead>
        <tr>
            <th colspan="2" scope="col">Arguments</th>
            <th colspan="2" scope="col">Description</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td colspan="2" scope="col" scope="row" data-label="Arguments">
                <code>namespace</code>
                <label label="initially required" />
            </td>
            <td colspan="2" scope="col" scope="row" data-label="Description">
                Switches to a specific namespace.
            </td>
        </tr>
        <tr>
            <td colspan="2" scope="col" scope="row" data-label="Arguments">
                <code>database</code>
                <label label="initially required" />
            </td>
            <td colspan="2" scope="col" scope="row" data-label="Description">
                Switches to a specific database.
            </td>
        </tr>
        <tr>
            <td colspan="2" scope="col" scope="row" data-label="Arguments">
                <code>cancellationToken</code>
                <label label="optional" />
            </td>
            <td colspan="2" scope="col" scope="row" data-label="Description">
                The cancellationToken enables graceful cancellation of asynchronous operations.
            </td>
        </tr>
    </tbody>
</table>

## Example usage

```csharp
await db.Use("main", "main");
```