# DatasetsManager.get()

**Added in:** `@mastra/core@1.4.0`

Retrieves an existing dataset by ID. Throws a `MastraError` if the dataset does not exist.

## Usage example

```typescript
import { Mastra } from "@mastra/core";

const mastra = new Mastra({ /* storage config */ });

const dataset = await mastra.datasets.get({ id: "dataset-id" });

// Now use the dataset
const details = await dataset.getDetails();
console.log(details.name);
```

## Parameters

**id:** (`string`): Unique identifier of the dataset.

## Returns

Throws `MastraError` if the dataset is not found.

**result:** (`Promise<Dataset>`): A Dataset instance.