# use

The use() method for the SurrealDB Swift SDK switches to a specific namespace and database.

Switches the connection to a specific namespace and database.

```swift title="Method Syntax"
try await client.use(namespace: ns, database: 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="row" data-label="Arguments">
                <code>namespace</code>
                <label label="required" />
            </td>
            <td colspan="2" scope="row" data-label="Description">
                The namespace to switch to.
            </td>
        </tr>
        <tr>
            <td colspan="2" scope="row" data-label="Arguments">
                <code>database</code>
                <label label="required" />
            </td>
            <td colspan="2" scope="row" data-label="Description">
                The database to switch to.
            </td>
        </tr>
    </tbody>
</table>

## Example usage

```swift
try await client.use(namespace: "myapp", database: "mydb")
```